Resisting junk food might be as easy as just putting it off.

Instead of denying yourself try telling yourself that you can have it later.

Most likely, postponing a treat until an unspecified later time helps get people over the hump of strong temptation, said Florida State University psychologist Roy Baumeister, who studies willpower but was not involved in Mead’s research.
“You need the resistance at the moment of peak desire, then the peak desire moment passes,” Baumeister said.