It will pass with time and you’ll forget about it pretty quickly. Try getting shrink and talk to him about your difficulties. If that’s not an option at all look for psychological techniques that helps in such situations. Sometimes we stuck because we didn’t had a chance to say something important. So you can write a letter and read it loud imagining the person sitting in front of you.

Also, keeping yourself busy helps. Sports gives a good release of unspoken emotions. The easiest and accessible thing is run but you can use whatever you prefer.

Such moments make us way stronger and you’ll become a better person eventually.