It's considered inappropriate to have two different valentine's day vaentines.
Paul's best friend May asks him if he will still get her a Valentine's gift now that he has a girlfriend.
Paul wants to answer May's question.
Paul lets May know that it would be inappropriate for him to give her a gift as well.
Paul decides to go ahead and buy May a Valentines day gift.
Paul avoids unnecessary strife in his relationship with his girlfriend.
Paul has a fight with his girlfriend when she finds out he gave May a gift too.