I never thought I'd ever want to take my wedding dress off and there was a joke going around my family that I'd be wearing it during breakfast the next day.
I had a very full and long dress that I loved but to be honest by about half way through the day I wished I could of changed. I got married on the hottest day of the year and it was like wearing a couple of king size duvets, I struggled to walk in it and spent the whole day lifting it up, I also kept taking chairs with me when i got up because of the train but that was just funny.
Everyone suggested buying a tea length dress to change into in the evening as I was torn between the 2 styles originally but I never thought I would want to and totally regretted on the day.
Maybe buy a cheaper tea length dress and have it as an option and if you don't change into it you could sell it later.