Because it's fun...and you may or may not sweat a lot...and it burns a lot of calories :/
Jedward like singing, dancing, cross-country, joking around and being them
his favorite hobby is fishing
gandi's favourite hobby was soccer
what is bings favouite hobby
gambling
A penguin's hobby is swimming or dancing.
His favorite hobby was playing music
dancing
dancing
I think Olly Murs favourite Hobby is singing, if that is even a hobby ;)
Taking it in the bum
singing