An old internet meme used as an insult against ones personality

its painful how someone can love another without them knowing

It's possible that it's amore. Some even say it's OMORI. I'm not sure though, do your own research.

when a man likes a man b*tt also a woman likes a woman.

Slang. Adjective. Whenever you’re driving too fast just like lightning you’re going to crash like thunder. It’s going to be very sudden and violent.

When you cry like a little bitch.

When someone won’t stop crying like a little bitch