What should be the biggest motivation for physical fitness?
Imagine how would you feel when your own child would say, “Please don't come to school with me because my friends tease me as if I'm your parent.”
Let's say you earned a lots of money. Say, Billions. Now, you're planning to visit almost every country on this planet. When is it possible? If you've good health. What's the use of your wealth if you don't have health.
Never judge a book by its cover. But, looks matter. It's your first impression. No matter where, at an interview, marriage, date, first meeting. A good physique creates a long lasting impression.
If you want to trek, go gliding, rafting and any other adventurous activity, you need good physique.
Clothes. Shopping. Finding a outfit that fits you perfectly is easy if you're fit. For fat people, you've to visit special stores for fat people, for skinny people, you don't want to look like a hanger, do you?
Fit people live longer. They stay away from several other diseases, pains, aging effects, etc.