Hmm - this is why surrogates already need to have their own children - because (and I know some people will disagree with me) I don't think you can know how you'll feel until you're there.
I always wanted kids, but I wouldn't describe myself as maternal, I didn't know how I'd feel once my children arrived, and I wouldn't say that I felt the rush of love, or in love with them - but I did feel materially connected to them - they were me, little detached bits of me - and previously I might have been very cavalier about the whole thing, but once I'd had one, I knew exactly how serious it was, I could never be a surrogate now.
I know all about the negative parts of pregnancy, physically speaking: the back ache, tiredness, cravings, the sickness, all that stuff
Also this. Yeah. No clue there. I had an easy pregnancy, and that doesn't even start to touch how affected my body was throughout it. 'Back ache' ffs - try all over ache so you have to fidget in bed every 10 minutes, walking at a crawling pace because you have no lung capacity etc.