snoop-ing

I recently felt the need to snoop. I did not think it out or prepare my self for what i may find.  Early on the morning of June 5, I picked up my partners phone ( i say "partner" cause we are engaged with a child and he no longer wants to marry me, yet still engaged for 5 years) ... and decided to log into FB from it and see who he has been chatting with, what kind of pictures he had on there...Well i found out he has been hitting on females and asking them to drinks, or offering them photo shoot jobs(the naked kind)...from what i can tell the females ignored him, as they have not responded to his message. I am not ruling out that they may have called him however.  What i am i suppose to do, act like i dont know?  Well i cant admit i snooped.. so i cried.. i gave dirty looks for about a week.  then i confronted him (of course not telling him how i found out) I quoted him word for word.. and he denied it.. So I friended these females on FB .. the first one took about two weeks to accept, so I am pretty sure she told him i sent her a friend request.. the other accepted right away.  I am left with these questions, can i trust him when he goes out to the bars almost every weekend?  trust, respect and passion are the back bone of a good realtionship...