person A: I have been going to the gym a lot lately and have lost a good bit of weight and toned up.
person B: Hey_comma_ good for you! That takes dedication. I admire that. 
person A: Thanks!  I went shopping over the weekend and got some new clothes.  I'm finally feeling good about myself again!
person B: Losing a few pounds has such a positive effect. You must feel better too. I need to get on that!