Possible Clues:

• Mr Miles could be thinner
• Be angry about pound as one wanting rid of corporation?
• Comparatively flimsy head of lettuce acquired by cook
• A dress size smaller, maybe
• Cook limits lunches at first for dieter
• Suppress rage when gaining pounds, wanting to be this?
• A threesome firmly quashed — loser, big time!
• Cook slowly, throwing in a bit of lard? Less fat
• More thin
• More slenderly built