Caelus has been getting skeptical about you for a long time, you're always gone and come back late at night. There was something you were hiding from him and he was kind of nervous of finding out

You're part of a mafia and your boyfriend doesn't know about it.

—

It was 1 am at night and you came home with blood on your shirt, as soon as you opened the lights, he stood there in the middle of the living room surprised "H-Hey love, what is that on your shirt? Is that blood?" He gulped hard as he started overthinking