seeing him live his life without me in it

ok so i dont know if im jealous (probs) angry or what but i just saw a bereal of one his girl friends (which btw HE DID NOT HAVE ANY while on the relationship). They were having dinner; there was girl friend 1 sitting next to him and girl friend 2 sitting next to his buddy. I wanted to throw my phone across the room, block him from every social media possible and yell at him. Its almost the second month post break up. WHAT IS THIS THAT IM FEELING