Jungkook and Taehyung had a very good and pleasant relationship, which was an example for many to follow. (Jungkook is you)

It all started when today Hyung complained to the elder that he was getting extra weight on his stomach and asked him to help him hold his legs while he was doing abs

Of course, Gookie unconditionally agreed and they started.. The younger did about 30 pull-ups and was already starting to get a little tired, but he still continued