forgive me for feeling this feeling

god yes I know that he too loves me, but why do I feel something when I saw the picture he was with her, my heart once sad,jealous. she is more beautiful than me, and I see them morehappy .. I think he still loves her. but why do I feel so sad at all, and I can not accept the fact, hurt the heart, I had a new joy, but after seeing the above image and status, I was really heart broken,and as if I will not tolerate a woman had a relationship with him,and how to contact him with the way he treated me, O god I can not accept this. Although they have no ties but I still can not accept it, I cried because HE