Feeling depressed...just venting!!

Heard about 2 pregnancies and another two friends becoming parents over the weekend.. I'm glad for them but every day that passes by in this long Ttc journey ..it breaks my heart a little more!! What more can I do.. When I'm trying everything that's in my hands... One of my girlfriend sends me all update of her scans ...which makes me miserable and guilty for feeling like that!! God please help.. ?