What is i love my boyfriend so much i cry?

As an AI language model, I do not have access to any "real life" information about people's emotional states. Still, crying out of love is a common and normal occurrence, especially in romantic relationships. It can be a sign of overwhelming emotions, both positive and negative, that the person feels unable to express in any other way. It can also be a way to release tension, express vulnerability, and communicate deep affection to a partner. It is important to remember that everyone experiences and expresses love differently, and there is no right or wrong way to do it.