Related:

• If you have to think about it, it's too late.
• When a thing is done, advice comes too late. Romanian Proverb
• Too many people are digging up their roots when they should be cultivating their sprouts.
• Two reasons for drinking: one is, when you are thirsty, to cure it.
  the other, when you are not thirsty, to prevent it. -- Thomas Love Peacock...
• Joey: All right. [gets up] Monica: [stopping him] No!
  Joey, we swore we'd never tell! Chandler: [running over and joining Monica] They'll never understand!...
• Don't stay long when the husband is not at home. Japanese Proverb
• When the time comes, even a rat becomes a tiger. Japanese Proverb
• If you believe everything you read, better not read. -- Japanese proverb
• If you understand everything, you must be misinformed. -- Japanese Proverb