person A: My brother used to be so much more overweight than he is now_comma_ since he has been putting a lot of effort into losing weight recently.
person B: That's good to hear! What sort of things has he changed or started doing?
person A: We both started going to the gym and he also started to eat a lot less and be mindful of calories.
person B: How long did it take him to lose all that weight?
person A: It took over a year_comma_ but it really paid off.