I do feel slightly guilty for not being there to help all of the time, but just those few days were enough to tell me that I probably couldn't keep up a daily visit schedule without worsening my own situation, so it's probably just as well I'm still down here.

Yes, neither your mother, your dad, nor your sister would be better off if you ran yourself into the ground and needed care from them!

*you are doing a great job as a son*

*you have nothing to feel guilty about*