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A study conducted by the Stanford University School of MedicineYou may be familiar with the feeling because phenylethylamine is also found in chocolate, which may explain why you can't stop after just one square. And if you're in love with them, these are probably some of the things that attract you most about them.

7. study conducted by the University of CaliforniaAlthough you may not be able to tell if this has happened without a few stethoscopes, feeling a deep connection to your partner is a good a sign as any that you're in love. Studies have also found that couples who lock eyes report feeling a stronger romantic connection than those who don't. A study found that small quirks can actually make a person fall deeper in love with someone rather than just physical attributes because people have unique preferences. Falling for someone might be painful, but if you've noticed that literally falling doesn't bother you as much anymore, it could be a big sign you're in love.13 science-backed signs you're smarter than average Your heart may skip a beat when you think about the one you love, but a study showed that you may also be beating in time with each other. It goes the other way too: when a study had strangers lock eyes for minutes at a time, they So if you've noticed your patience is being tested a little more than normal or you're kind of freaking out, you may not need to carry a stress ball just yet; you may just be in love. Eye contact means that you're fixated on something, so if you find that your eyes are fixed on your partner, you may just be falling in love. Being in love often causes your brain to release the University of Groningen in the NetherlandsAlthough this feeling will probably pass once you really get comfortable with your partner, it may be a good idea to carry around an extra hanky, just to be safe. So if you're getting a tattoo, you may want to keep a photo of your partner handy. And if you're in love with them, these are probably some of the things that attract you most about them. All you know is that you're so madly in love with them you'll support them through whatever they choose. Upgrade Membership Subscribe to our daily newsletter to get more of it. Matheus Ferrero/Unsplash That's love, baby.

Shutterstock / 4 PM production Keep an eye out for these tell-tale signs the next time you catch yourself wondering if you're actually in love. 2017-09-12T18:45:29Z If you really get to know a person, chances are you'll pick on the little things that make them uniquely them. Unsplash/Beth Solano

Luckily, your body has some pretty sneaky ways of tipping you off to whether these feelings for your partner are more than just a passing phase. Everyone wants to impress their date in the beginning of their relationships, but if you find yourself consistently trying new things that your partner enjoys, you may have been bitten by the love bug. If you find yourself going out of your way to keep your partner dry when walking in the rain or making them breakfast on a busy weekday morning, it's a sign you've got it bad. Unsplash/Kyle Head How do you love someone Without getting hurt How do you love someone Without crawling in the dirt So far in my life Clouds have blocked the sun How do you love, how do you love someone How do you love, how do you love someone It's hard to talk To say what's deep inside It's hard to tell the truth When you've always lied How do you love someone Email Preferences Looking for smart ways to get more from life?

You don't care if they get a little chub, tattoos, skinny, or change. That's because your brain releases Although love is often associated with warm and fuzzy feelings, it can also be a huge source of stress. If you're nauseous and sweaty, you either have a bad stomach bug or are falling in love. A If you're a notorious germaphobe and totally cool kissing your partner after just watching them pick their nose, you might just be in love. If your partner has ever caught you staring at them lovingly, it could be a sign that you're head over heels. Love is an equal partnership, but you'll find someone's happiness becomes really important to you when you're falling for them.

Shutterstock 8. Unsplash/Dimitar Belchev Knowing you're in love feels different for everyone.