Brazen!!! Disabled stepfather has to watch

When my disabled stepfather was left in my care for a week because mum wasn't there and he was being a nuisance again, I invited a boyfriend over to give him a little lesson. As he is in a wheelchair, he couldn't help but watch me and my boyfriend having sex. He had to watch as he fucked me really hard and I took his cock really deep in my mouth and in the end he squirted all over my mouth. Do you think that was too mean? Would you have joined in???