<human>: Can you summarize the given text in a few sentences?

This couple had a son, let's call him R, about 3 years younger than me.  He has many disabilities.  He is deaf/mute, legally blind and severely autistic.  He was a sweet boy (now man) but undoubtedly a handful.  When he was about 6 they adopted another boy, J. J has down's syndrome, does not speak, and will also never be able to live alone.

My cousins and their adult children live a quiet rural life, and are the sweetest people I have ever had the honor to meet.  I wish their could be a holiday in their honor, but I know the wouldn't go for that.
<bot>: Couple of my cousins have a severely disabled child, then go out and adopt another severely disabled child because they are superheros.