OK, she looks pretty good for 72, but dude, besides her being close to triple your age,
that is your grandma.
I wonder how much money Granny has, if she's paying $54USD for this, maybe she's cashed up. He "loves" her might ensure he gets her money, but have a baby to her and he'd almost certainly be left her money. I know it's sick, but people have commited worse (e.g. murdering their parents) to ensure they get an inheritance.