0 the fact that something pleasant becomes unpleasant because you have or do too much of it:
You can have too much of a good thing.
Too much of a good thing : light can be bad for photosynthesis.
However, as often happens in life, too much of a good thing can be bad.
Does this show that, since 'you cannot have too much of a good thing', friendships cannot be good?
You know there is an old saying that you can never have too much of a good thing.
I know that sometimes there may be too much of a good thing.
But it is possible to have too much of a good thing.
One can have too much of a good thing.
It is not a question of being too much of a good thing.