Would you give him a second chance

Long story short, my ex and I argued and led to a big fight. He ignored me for 2 weeks. I was blocked everywhere. I was literally heartbroken. How could he do that?

I can’t get past the idea that perhaps he was probably busy talking to another girl and it didn’t work out? That’s the only theory I have. Him being comfortable someone else with someone else ….Like why would he do that!!!! I have major trust issues.

He wants to work things out. I guess he saw me remove all our pictures off Instagram and that’s when he came back