Another FTS vote here.
The upshot is people who haven't had children have no idea about how difficult the first few weeks are trying to get into a pattern, dealing with feeding, sleeping etc and that's with one baby not twins!
My experience - and this may be a bit TMI - but I think you need (or rather your DH's needs) to understand.....
I (felt I) had to attend the wedding of some close friends 6 weeks after my son was born. I didn't take him with me (I just couldnt see that working), but left him in the care of my parents as I planned to attended the ceremony and the reception (and leave before the evening party).
The days before I had to express loads of milk obviously on top of regular feeding to the extent my nipples were permanently latched to a baby or a pump for 3 days - sore doesn't even cover it. God knows how you would express enough for 2....
On the day I was very emotional without DS (even though I trust my parents implicitly). I must have rung them every 20 mins...
Added to that as the day went on my breasts felt like they were going to explode. I started to leak really badly (probably partly do to the "over-production" I'd needed to do in the preceding days) to the extent I ended up having to manually express milk leaning over the loo....very glam eh!
By 5pm I was in acute pain with breasts that felt like stone. I got in a taxi and arrived at my parents in tears with how sore I was, a dress soaked (and ruined) with milk despite taking 20 plus breast pads with me and changing them frequently. I have never ever felt such relief as when I had my son back in my arms and fed him (both emotionally and physically).
All in all it was a total fucking disaster. I barely spoke to my friends as I spent most of the day in the loo changing pads/trying to express milk/ringing my parents/sobbing and wishing I'd simply not gone. My DH was there but obviously apart from moral support there wasn't much he could do.
With hindsight DH should have gone alone to "represent" us and I was just foolish/naive (first baby) to think I could manage it. Trying to do this with twins (either having them with you or having childcare) is just madness - especially for a couple you don't know that well.