I agree with this, but do it for yourself, not (for the opinion of) others. It's easy to make this a superficial exercise (doing it to pose and look good etc), but it can become a longer-lasting and healthier habit if you focus on the wonderful impact it will have on your well-being. The superficial fringe benefits are nice by-products.

When I switched my mindset from the superficial to something more meaningful, regular exercise started making more sense to me, I was more comfortable with my motivations, and I found I stuck to it for longer.

All the best :)