i cant give you anything to help make you feel secure, only tell you that you will lose him if you continue to doubt him this way. from what you have described he has done nothing but love and support you, given you no indication that he would be unfaithful so to treat him with so much distrust must be very hurtful to him. when you feel the need to check up on him, you need to ask yourself, has he done something to make me suspect that he is cheating? has he done anything to hurt me that i need to seek protection for myself for? because you are probably thinking irrationnally and you need to bring yourself back to rational mind so that you dont push him away.