There are a lot of reason that obese people should pay for 2 seats on a plane.

1. It burns a lot of fuel

• there is too much weigh
  
• tthey would have to pay more for it
  

2. The person that bought the seat would have to stand.

• he would get tired of standing
  
• the guy thats standing will get in the way
  

3. It would be very uncomfortable to seat next to an obese person.

• the obese person could be sitting on you
  
• he could suffocate you