too much of a good thing
01
過ぎたるはなお及ばざるがごとし, 何事もほどほどが一番
used to refer to the fact that even something pleasant can become unpleasant or harmful if not done or kept in moderation
慣用句
くだけた
例
Chocolate is great, but too much of a good thing will make you sick.
チョコはおいしいけれど、食べすぎると気分が悪くなる。
