Involvement in combative sports completely changes the relationship that you have with your body.
Through training, the growing knowledge of what your body can accomplish transforms how you view your body into something positive. You become very in touch with your body, what it needs to perform at its best, what it can do, and what it will be able to do in the future as you get stronger. You fall in love with challenging yourself physically and strive to see those challenges not only met but surpassed.
There is such a healthy environment surrounding combative sports which just radiates with body positivity. Strong role models who love their bodies, who have worked hard and appreciate the strength, agility, flexibility, endurance, etc. that their body has developed. The opportunity to see yourself develop physically gives you something to be proud of, as your body is able to do more and more things that once seemed impossible for you.
As an athlete who has worked so hard to get to the point of health at which you are at then pushes you to healthier life choices. You have worked so hard to get to where you are and you want take care of yourself and your body.