"Mommy, a poopie diapie"- am I being punk'd by my 2 yr old?

I am 95% sure I am being tricked right now as I did not go in for the “more milk” plea that immediately preceded the poopie diapie claim. Here’s one of the little parenting dilemmas that even if someone told you you’d experience, you’d never believe it until you’re smack in the situation. Do you try to assert your parental dominion by not going in because you already said, “have a good nap, I’ll see you afterwards” and you sure don’t want to set up the “I’ll come in if you say the right things” dynamic? Yes, definitely. But you also know that you also don’t want a terrible nap and raging diaper rash after said terrible nap just because you’ve already gotten in bed yourself and really just don’t want to get out. Hmm…