It's been three years since I froze some brownies:
I froze them because I had an excess of brownies and they were starting to go mouldy faster than my grandparents and I could eat them. The freezing experiment was a success but to my recollection, I have not frozen any brownies since then.
Also of note in that post from three years ago was the small part about walking and weight gain. It was much easier for me to keep weight off back then than it is for me now.