"if you have problems with your house rent you can come and live with me."
"no, no, that's okay, i don't want to bother you."
"you're not bothering me, i also live alone so it would be helpful if each pays half of the rent, right?"
"that's true...so is it really okay for you to live with me?"
"it is." 
the two boys smiled and then went to mark's house to pick up his things.