Teagan had done this before and she knows that the only thing she can do is wait, pace, get as comfortableas she can be. There's no reason to get hot water and tongs yet. Labor is mostly a waiting game...at least for the people that aren't actually giving birth.
This is the first time for Bishop - being a father - experiencing the birth of his children and Teagan has enough sense to try to make him feel as if he's being helpful. There's nothing worse than feeling worthless or unhelpful when all you want to do is be an important part of something that very well might be one of the most important days in your life.
"I need you." she offers. It is such a small consolation maybe, "I just....need you to keep me focused and distracted." she's sure she isn't making much sense. Even if she's done this before she's not an expert. Back then she'd had a staff, a nurse named Francine, an epidural...