Watch His Eyes :- Someone has told eyes are the mirror of human mind, watch him carefully are his eyes are looking wider while talking to you , you can find the glitter easily in his eyes. Is he filling really happy in your presence if yes than he definitely likes you until he is not a professional flirter...

His body language :- another signs he likes you is If his body language is good you can think about his likes and dislikes with what he does, if he is felling little dis-comfortable while talking to you that means he is impressed with you, and feeling shy to epxress his feelings.

But You have to watch the body language very carefully being discomfortable on front of you may also shows that he is not interested in you and just trying to convince that he is happy while talking to you but on other side he is not interested in you.

How much quality time you have spent with each other :- First time love is just attraction, but when you spare some quality time with your loved once you feel really help less if he is not with you., the first lesson to love is dont love with whom you can live but love the person without whom you cant live, ... this is the great sign, if he miss you a lot in your absence, than defiantly he loves you

Which Kind of person he is :- If he likes chating with girls start flirting with your friend in your presence and talks about flirting and xx than he is not good to love, find a gentle man to love, if he is gentle and soft than he will defiantly the one to love, now you can try to convince him with some general rules which you can learn from any good book, so now the step defines whether you likes him, if yes than convince him to like you.

How much he care about you: - When we like some one we care him too much, if you see that he cares about you and your life than you can easily know he is the one for you.