Answer in the comments, since I don't have enough readers to bother with a poll widget.
Which is more difficult to do if there is a plate of French fries within your reach?
A. eat zero — don't even touch them
or
B. eat one or two, and then stop
(If you don't love French fries, please substitute any other item that you love that comes in small bite-sized quanta, e.g., jelly beans, chips with salsa, etc.)