She finds out that the kid is actually from completely different parents.
Wife: Honey, I have something very serious to tell you
Husband: What’s up?
Wife: According to DNA test results, this is not our kid
Husband: Well you don’t remember, do you? When we were leaving the hospital, we noticed that our baby had pooped. Then you said: - Please go change the baby, I’ll wait for you here. So I went inside,
Spoiler:
