person A: Mom's going to be mad_comma_ I stole some dinosaur toys
person B: Maybe she will go easy on you_comma_ if this isn't something you do often. 
person A: I hope so.
person B: You shouldn't steal things_comma_ especially non essential things like toys. But you probably know that.
person A: I do it was a mistake_comma_ I'll do my best to never do it again.