You never have to get up and prepare bottles at night. If
your baby sleeps with you, you don't
have to get up at all! If your baby doesn't sleep in your bed, you
can bring baby to mom to nurse when needed; mom will appreciate
this greatly.
You'll have time and energy left to change and bathe the baby,
play with the baby, read to the baby, cuddle with the baby. Both
the baby and the mother will love you for all this.