She was trying to keep everything together with Theo by spoiling him and distracting him, but she couldn't hold her feelings in anymore.
Maggie gets upset when Gary throws out her medicine. She tells him later that the last time she threw it out too early, she found out her cancer was back the next day. Gary supports her through the memories.
Delilah has trouble breast feeding. Maggie tells off the lactation nurse. She brings the baby home and everyone celebrates.
The friends all figure out that Eddie is the father, and he's encouraged to support Delilah through delivery.
Gary always knew because he took Jon to get a vasectomy two years prior to everything.
Rome tells Gina that even though he wants a baby. He wants her more. He puts the baby conversation on hold again.