Just as a heads up, mobs emotions aren’t really “blocked”. He does it to himself. He sees his emotions as things that mess with his life in general since if he feels to strongly a certain way he can lose control as we’ve seen. So he represses his emotions. He thinks if he doesn’t feel his emotions his and everyone else’s life would be easier. Obviously we’re seeing his opinion on that change. Whenever he shows his emotion like when he picked up all the scraps of paper from that girls story and in this when he says he will use his powers to help others. It’s easy to miss but also so in your face that mob is changing as a person and obviously for the better. Sorry to rant but I freaking love this show. Lol