So I gently remind my husband that I have dr. appt tomorrow with the newborn at 3 so he can sit with the toddler and he…

So I gently remind my husband that I have dr. appt tomorrow with the newborn at 3 so he can sit with the toddler and he replies " wow are you serious?" This is after we both scheduled it at the office last week and i asked him is 3 next Friday fine for you and he said yes. Wth is wrong with men and their memory!?