It's kind to cook for your partner.
Tom lives with his girlfriend and doesn't have the money for take-out, but does have raw food material.
Mark wants to prepare dinner.
Mark cooks food for himself and his girlfriend, and they eat it.
Mark cooks food only for himself, and eats it.
Mark's girlfriend hugs Mark, and they both have a wonderful dinner.
Mark's girlfriend calls Mark selfish and Mark feels humiliated.