Powerfull crisps

patient#1:i ate so many bags of crisps i was so powerfull.
doctor:were they called super crisps.
patient#1:no power full crisps
doctor:well your a very super patient
patient#1:listen its got nothing to do with that
doctor: well the only crisps invented are super crisps.
patient#1:i thought they were called powerfull crisps?
patient#2:will you hurry up in there im waiting
patient#1:im hungry i need a packet of crisps