Gimme a Break! (1981) : 3x2

Nell falls for James Roland, a former member of her weight group , who continues to go to the classes on weight loss. He is impressed by Nell's determination to lose weight, yet Nell seems to think he is in love with the aerobics instructor Vanessa. When Nell decides to binge and pig out on food, Vanessa calls James for assistance. When he shows up at the house she tells James that Nell is in love with him. He asks Nell out and she accepts. However, in the end the Cheif wants a break on his taxes and since James is in that business, he helps the Cheif out. All goes well until Nell sees his tax return form that accideentlly ends up misplaced in the Kanisky livingroom and finds out that James is married with three children yet still loves Nell. Nell throws him out and shuts the door, telling him she is still going to go to the weight group each week.