You shouldn't miss the birth of your baby.
Peter's wife is about to give birth, which coincides with the last day of an important presentation Peter has to do for work.
Peter absolutely wants to give the presentation himself.
Peter asks for the presentation to be delayed by a few days, so he can be with his wife for the birth of their baby.
Peter goes to work to give the presentation while his wife gives birth to their child.
Peter's wife feels comforted by his presence while she is giving birth.
Peter's wife feels abandoned and disappointed by his actions.