Ha, I dont know what to do

So my boyfriend recently told me that sometimes I make him feel like I hate him because whenever I'm upset about something I push him away. And sometimes that happens in the little bit of time we have together on the weekends. So it looks like I'm not grateful for the fact that I even get to see him.

And like I am grateful, I just get really easily upset over some things and I don't want to hurt him by saying something or doing something wrong.

But the main thing is, I don't know how to handle my own emotions and I need help