Please, Just Be Present
There are certainly moments when it’s acceptable to disengage and relax, perhaps when trying to sleep after a long workday or taking a break on your own during lunch.
Conversely, there are certain situations that demand your presence. A prime example is the birth of your child. Since it seemed unclear to this husband, it’s worth stating explicitly: being “present” does not mean physically there while engrossed in your Steam Deck.