If you're able to take Paternity, take it. It's going to be a whirlwind, especially if this is your first child, and this is likely the first real stretch of time you've had off in your entire adult life. It's hard to bond with a week-old child, but spend as much time as you can with the baby and make yourself available to help mom with anything she might want help with. The good news is that the baby sleeps... a lot…
Saving this wisdom. I have worked for a few of them.