Answer:
I would do a mountain bike personally, its tougher but If you want to do mountain biking then you're going to need something like that. Mountain bikes have great tires and last a long time. Try Dicks sporting goods or any place like that. But if you want a more comfortable bike then I would look into something that allows you to change the gears of the bike.
It's an act of controlling or portioning in regards to food. Regulating "big foods" or unhealthy foods who be controlling how much you each of these foods.
Like throwing up because it makes sense