It is estimated that 30-60% of all married people in the China. cheat on their spouse, and this number is even higher for people who are dating.

This means that if you have a boyfriend or girlfriend, statistically they're more likely to cheat on you than they are to stay faithful. Below are the top signs of a cheater.

1. Heavy Phone Privacy

Cheaters always get very protective over their phones and who can access them. Phone locks, frequent private phone calls from a "relative" they need to step away for, or changed passwords are all signs they are hiding something.

2. Hookup Apps & Other Dating Sites

These days who isn't on an online dating app like Tinder, OKCupid, or one of the many other sites built for hooking up? If your partner is cheating, it's about 99% likely that they are online and chatting away on an online hookup site. Cheaters even join social websites built specifically for cheaters or people in relationships. It is typically very hard to track people down on these sites, except for some specialized research tools like TruthFinder. This tool searches all the popular dating sites for you. If you have suspicion - this is the place to start.

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3. Girls/Guys "only" Night Out

Does your partner go out with their friends commonly and you aren't invited. If these become too frequent, they could just be using this as an excuse to sneak away.

4. Increased Effort on Their Looks

Going to the gym, grooming, nicer clothes. Who are they trying to impress all of a sudden? Watch out for this trend as they usually aren't looking better for you!

5. Less interested in physical/emotional intimacy

Less sex, less intimate conversations, if your partner feels "checked out" along with any of the signs above it is very likely there could be another they are being intimate with.

One final factor that is a huge indicator of cheating -- have they cheated before? If they've cheated in the past, they are much more likely to cheat again.