Firstly, if we Converted into a Burger, some people may hire bodyguards to protect themselves from hungry people!
Secondly, some burgers have a lot of layers, if we Converted into that kind of Burger, we may not be able to balance ourselves!
Thirdly, fast food goes bad after a while, if we Converted into a Burger, people may start moving away from us!
Lastly, if we Converted into a Burger, delivery guys may pick us up by mistake!