Grandma on vacation

They're tourists. Probably Cancun or Cabo San Lucas or someplace similar.

What are you implying? that we don't have girls like that here or what?

No, he is implying that the girls in the photograph are not from there.
Pshh, Guest, everyone knows Mexico has some beautiful women

Nana has been around the block more times than she can remember.
Alzheimer's + Alcoholism is no joke.

That's terrible but I laughed so you get a thumbs up

Terrible Laughs are the best laughs.