1. Blushing

It may be more difficult to pick up a shy boy, but that doesn't prove that you are not suitable. If you blush at the sight of you, the signal is obvious. However, not all blushes are due to shyness. Some boys blush at the sight of beautiful women. This is an uncontrollable physical instinct, so you can be sure that he is very interested in you.

2. Imitate

Men may sometimes subconsciously imitate your behavior. People can't help imitating the people they like. Some dating advice also provides this trick, maybe he is practicing it.

3. Eye contact

Using this signal is a bit technical. Eye contact is an important body language in our daily communication. According to the time of eye contact, we can know whether he really likes you. If it takes longer than others, that's right. Don't we all use our eyes when flirting? If the stay is short, it is also possible that he is shy.