Need I remind you (that) phrase
A phrase that introduces a warning or reminder
You are late again. Need I remind you that you will be fined for your unpunctuality and be sacked if you come late one more time?
Need I remind you that you play truant one more time then you will be expelled from the school?
Need I remind you that you are no longer my boss?
Used to warn readers that an important detail of the plot is about to be revealed
Not any warning
people often do irrational or foolish things when they are in love.
I and my boyfriend have decided to get married in the summer. I don't think that's wise, since we won't have enough money saved by then to set up house. But then, one cannot love and be wise.