Shy men in love - what are the signs?

he talks to everybody but not to you. he is shy and nervous when you are around. he has problems to look into your eyes and prepares himself for several seconds before his eyes look into yours. he stares at you from the opposite corner of the room and when you look at him, he lowers his eyes very quickly and stops looking at you. he lowers his eyes very quickly, when he meets you surprisingly somewhere. whoever the person beside you is, he always says hello first to the other person. he doesnt say hello to you, even though you are not at all ennemies. his behavour to you is different each time and can change very quickly: once he is cold like a refrigerator, once he is extremely nervous, once he smiles all the time. he touches you accidentally. he treats you differently than others. for example he says to everybody: do you want to drink somenthing? than to you personally: do you want to drink something. he treats you with respect and helps you in difficult situations. he gives you some critic but in a way, that it helps you. he can treat you in a hurting way, if he feels hurt or not noticed by you. you are allways the last person to whom he says good bye. when he manages to look into your eyes, he sometimes looks there for more than 2 seconds. he flirts like a mad person with other women, when you are standing beside. he treats you in a jagged, unpolite way without reason. he smiles at you in a happy way.he smiles all the time. he is happy, when you are there. he talks to other women and people in general in a very energetic way, when you are there. he says: "thank you" to you for nothing. for exemple after a party where you didnt talk together just in order to thank you for your presence. he speaks to you in order to say things which are actually not very important or interesting just to talk to you. he pays attention not to touch you. he tires to make you jealous.