Has anyone been away from their 6 month or younger baby for 2 nights? Can you tell me about it/give me some advice for not totally freaking out, OR tell me I shouldn't do it?

We are supposed to drive 3 hours to spend the weekend with my ILs. We've been planning this and trying to find a good weekend for a while. My MIL is crazy about planning this stuff and has been begging us to come there to visit since DD was born.

I work as a birth doula and have quite a few clients this summer so we had to try to pick a relatively "safe" weekend for me to be away, when it should be quiet birth-wise. This weekend should have been OK, but I've just gotten word that a client due the first week in August is having early labor signs, saw the midwife, midwife agreed it could be quite soon, etc. So now I really don't feel comfortable being away.

MIL will FREAK if we all cancel. (She's overbearing and manipulative but that's another story for another day.) She's already made a bunch of plans, including a BBQ at their house with friends who want to meet DD. DH has said he could just take DD and go (and MIL doesn't give a shit whether I am there or not, she only cares about DH and baby, she's suggested many times he come visit with her alone.) *Technically*, even though she's EBF, he should be able to manage it. I have plenty of stored milk he could take, she does take a bottle from him, etc.

But I really don't think I could handle it and I'm worried about how she'd handle it since she's never been away from me more than 5 or 6 hours (of awake time) and has a mommy preference. I worry about the drive, whether she'd go down for naps and bedtime well without nursing (she has done with a bottle for DH in the past but doesn't love it), and most of all I'm worried about MIL doing whatever the hell she pleases with DD without me around. I can 100% see her messing with nap time and bed time, trying to feed her stuff, letting her cry longer than I would, etc. Of course DH will be there but he's crap at standing up to his mom.

Ugh. I'm so torn. I don't want to be away with my client goes into labor and have to call in my backup because it won't look good for my business (also because I've formed a relationship and want to be there!) but I also just can't imagine sending DD away from me for 2 days. Then on the other hand there's the chance we all cancel and WWIII breaks out between me and my MIL.

Halp!