Dd is 3y and she is still nursing (although had cut down considerably right before I found out I was pregnant). The constant night-nursing was way too much for me. I had been feeling so burnt out months ago, but decided last week to night-wean

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I never thought I would write that, but she wasn't sleeping, I wasn't sleeping and it was a mess. I would nurse her to sleep some nights for over an hour only for her to be up again every hour throught the night.
We talked and talked about it and now I nurse her while Dh reads her bedtime stories and the we have special cuddle time until she falls asleep. If she gets up we can cuddle more and then she nurses a bit in the morning before we get up. It was amazingly seamless, and she actually has been sleeping through the night so I feel it might have been the right thing (trying to justify my instincts I guess).
So, we are still nursing, but only a little at night and in the morning. I am really not that sore at all (which is strange since with dd I was sore from the get-go). Hopefully it continues!
I hope you are able to find some comfort while still comforting and feeding your little one!