dadhood
When being a great dad is innate and inside you, whether you are a father or not. People experiencing dadhood are characterized by their deep appreciation of dad jokes, and the characteristic behavior or dads, like not remembering one's children's birthdays - even if you love them very very much! Dadhood is a gender neutral feeling, age neutral and it can only be felt introspectively.
Person A: Tom & Tim do really love dad jokes!
Person B: they are having a blast with their inner dadhood
Person B: they are having a blast with their inner dadhood