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Fire signs -

Bold and charismatic, the fire signs (Aries, Leo, and Sagittarius) tend to jump into relationships with two feet. When they are in love, they're not afraid to show it.

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Aries (March 21–April 19) -

The bold first sign of the zodiac, Aries doesn't do anything in half measures. And falling hopelessly in love is, of course, no exception.

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Aries (March 21–April 19) -

If you find yourself having raw, passionate, and impulsive feelings towards your significant other, Aries, you may just be in love.

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Leo (July 23–August 22) -

The showman of the zodiac, Leos want to scream it from the rooftops when they're in love. Leos love people looking at them, and that doesn't stop just because they're in love.

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Leo (July 23–August 22) -

If you're chomping at the bit to post a photo of yourself with your bae, Leo, you are probably in love. Someone has captured your heart and you want everyone to know it!

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Sagittarius (November 22–December 21) -

We all know that the adventurous and fun-loving Sagittarius loves to go on trips and discover new things. However, they do tend to prefer solo trips.

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Sagittarius (November 22–December 21) -

If you're a Sag and you find yourself inviting your significant other on your adventures with you, you can be pretty sure it's a serious thing.

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Air signs - With a reputation for being a little flighty, the air signs (Gemini, Libra, and Aquarius) aren't normally the first to settle down. When they want to, however, there will be subtle signs.

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Gemini (May 21–June 21) -

This highly sociable sign is the life of the party and has a reputation for being a bit of heartbreaker. But Gemini always sees the best in everyone though.

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Gemini (May 21–June 21) -

Even Geminis are not completely safe from cupid's arrow, however. If you find yourself making your bae a playlist or mixtape, Gemini, it may be happening for real this time.

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Libra (September 23–October 23) -

Ruled by Venus, this sign loves everything luxurious and beautiful. One of the most charming of the zodiac signs, many people fall for Libras.

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Libra (September 23–October 23) -

It can take time for a Libra to fully commit, however, so if you find yourself wanting to settle down with someone, Libra, you can be fairly confident you're in love.

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Aquarius (May 21–June 21) -

People born under Aquarius tend to be very unconventional, and the normal rules of dating don't apply when it comes to this most maverick of signs.

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Aquarius (May 21–June 21) -

Status quo situations tend to make Aquarius uncomfortable, so if you're an Aquarius and find yourself conforming to a situationship, it may just be love.

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Water signs -

The emotionally charged water signs (Cancer, Scorpio, and Pisces) don't hold back when it comes to love. The signs they are in love tend to be unmistakable.

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Cancer (June 22–July 22) -

The home bird of the zodiac, Cancers know they're really in deep when they're ready to invite someone into their home. It's their safe space to escape from the world, after all.

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Cancer (June 22–July 22) -

Once the maternal instincts kick in, Cancer, you'll know there is no turning back. You might even try to cook for your significant other, despite being terrible in the kitchen.

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Scorpio (October 24–November 21) -

An often misunderstood sign, Scorpios tend to be very traditional when it comes to relationships. You'll know you're in love, Scorpio, when you begin to make sacrifices for bae.

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Scorpio (October 24–November 21) -

Another telltale sign that this sign is in love is their readiness to be vulnerable with someone. Often quite secretive, Scorpios can find it difficult to open up.

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Pisces (February 19–March 20) -

Pisces is another sign that really goes all in when in love. They will give it their all, and they tend to go deeper into things than any other sign.

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Pisces (February 19–March 20) -

If you find yourself showering someone with gifts, Pisces, you can safely say you're falling in love. Pisces tend to be very generous creatures, and gift-giving is a great way of showing it.

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Earth signs -

Last but not least, the earth signs (Taurus, Virgo, and Capricorn). Grounded and practical, these signs will make sensible changes to their lives when in love.

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Taurus (April 20–May 20) -

Taurus people don't tend to fall easily, but when they do, they fall hard. What they are looking for is that simple connection that triggers nesting instincts.

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Taurus (April 20–May 20) -

If you find yourself fantasizing about picking out bed linens with someone, Taurus, you can be fairly certain that you've been stung by the love bug.

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Virgo (April 20–May 20) -

People born under Virgo are generally very protective of their time, and for this reason it can be difficult to get things off the ground with a Virgo relationship-wise.

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Virgo (April 20–May 20) -

If you find yourself taking time out of your busy schedule to spend with someone special, Virgo, you can be fairly certain you are falling for that person.

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Capricorn (December 22–January 19) -

An ambitious and grounded sign, Capricorn appreciates a strong foundation and a relationship based on routine.

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Capricorn (December 22–January 19) -

Also a sign with a strong sense of fairness, a surefire sign of love for Capricorn is when lines begin to blur about things like splitting the bill.

Sources: (Britannica) (Cosmopolitan)

See also: Why you fall in love, according to your zodiac sign

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