I was giving my ex space as he looked like he was suffering depression/quarter life crisis in June. Locking himself away and he just wouldn't talk as he was in his "man cave". Then on the 7th August he set his picture on Whatsapp to a girl on her own. Whatsapp was our main form of communication so he knows I will see it. I was giving him space etc and it has broke my heart. I don't have a clue who she is or where she has come from but it's all I can think about, as I thought some space between me and the boyfriend due to it getting serious with commitment would have helped. I don't know how to move on from this. It's constantly on my mind whenever I work or do anything. Why would he set his picture to that? It's so hurtful! He is such a shy guy and I am so surprised he met someone that quickly!