How old are they?
 Gail, 56. 

She fed him, bathed him and changed his diapers on a daily basis while her husband, a truck driver, was on the road. 

Slowly, she says, her marriage began to crumble. 

"I couldn't take my frustration out on my father-in-law," she says. Instead, she took it out on her husband. 

"We almost ended up divorcing over the whole deal," says Anthony Jr., 56.  