Similar words: much of a, not much of a, too much, nothing much, too much for, make much of, good for nothing, bloodthirsty.
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1) You can have too much of a good thing. 
2) Why then, can one desire too much of a good thing? William Shakespeare
3) Never too much of a good thing.
4) This is surely too much of a good thing.
5) That's too much of a good thing.
6) But you can have too much of a good thing.
7) Example : Enjoy it! You can't have too much of a good thing.
8) I will remember them as living proof that you can have too much of a good thing.
9) Sunlight may be the best disinfectant, but there can be too much of a good thing.
More similar words: much of a, not much of a, too much, nothing much, too much for, make much of, good for nothing, bloodthirsty, have a good time, so much, not so much as, so much so that, good time, good-tempered, keep good time, through thick and thin, a good job, a good many, a good deal, do a good job, a good deal of, think of as, living thing, touching, vouching, of age, thing, fagot, good living, crouching.