It is offensive to make fun of someones weight.
Tanya notices her daughter has been gaining way too much weight lately.
Tanya wants to tell her daughter to lose weight.
Tanya tells her daughter she is too heavy very directly, and offers to help with a diet.
Tanya makes fun of her daughter's weight in hopes of setting her straight.
Tanya's daughter is initially offended, but later accepts that it is a good plan, and Tanya feels proud.
Tanya's daughter cries and Tanya feels sad and hugs her.