It's bad to make your partner feel unattractive.
Darren's girlfriend Darlene finds a dress she really likes while shopping, and asks Darren what he thinks of it and Darren thinks it's unflattering.
Darren wants to answer Darlene's question.
Darren tells Darlene that she looks wonderful in anything and tells her to buy whatever she wants.
Darren tells Darlene he thinks the dress makes her look kind of fat and suggests a plus sized one instead.
Darlene appreciates Darren's kind words and proudly wears the dress around the following day.
Darlene is upset at Darren implying that she's overweight and becomes self conscious about it.