Delete the contact. Delete the chat. Delete the pictures. Move on. They're only as important as you make them to be. New memories to be made, but you can't experience that if you're too busy holding onto the past. On to the next one!
You sucked your mom's breast for an entire year & you haven't done anything tangible for her. You suck your girlfriend's breast for 3 months & you're buying her Christmas presents. Treasure the breast you sucked for food before the one you suck for pleasure. Idiot!!!