I too have lost a lot of weight, albeit much more slowly than you, and at a slightly more advanced age. I do seriously weight and resistance train, ride, drink lots of water, eat a healthy diet, etc so mostly although flabby I am not too wrinkly. About the only thing I ever consider getting some skin work done on is my bye bye bingo arms which actually flap noisily if I hold my arms in the the wrong position going downhill on my bike at speeds over 20 miles But hey, I'd rather save my money for a new bike.

Congratulations on your weight loss. That's a great accomplishmentany time any how especially if you feel fit.