You already answered your own question. Keep them lean and keep them keen ;)
sheen, lean, mean, bean, green, jean, keen, ween
queen, tween, keen, lean, clean,
Keen, lean, Seem
You shouldn't have to play a game with a man to keep him keen. If hes not keen already, then move on. Playing games gets you no where in the end.
keen, queen, lean, dean, mean. anything with ean or een at the end
The word "lean" fits your criteria as it means cool and rhymes with green.
Mean, machine, bean, dean, green, Gene, Jean, gene, keen, lean, preen, seen, teen, wean.Many words rhyme with 'clean' such as: mean, bean, seen, green, lean, keen and a lot morelean, mean, ween, seen, bean, dean, jean, keen, queen, teen, etc.Mean, machine, bean, dean, green, Gene, Jean, gene, keen, lean, preen, seen, teen, wean.Many words rhyme with clean, and here are a few: mean, seen, scene, ween, teen, bean, green, dean, gene, Jean, sheen, preen, queen, lean, keen. Also, in England, the word "been" is pronounced with an "ee" sound, so it would rhyme; in America, it's pronounced with a short "i" sound, like "bin", so it would not rhyme.
mean, lean, seen, keen, teen, green,
fan
fan
Keep your knees bent, don't lean back lean forward.
There are several words that rhyme with fean. Since rhymes depends on pronunciation, I am assuming here that fean rhymes with lean. Here are other rhymes: bean dean green jean keen lean mean preen queen seen scene sheen teen wean