what does"stay warm"mean?
I heard from my teacher several days ago.At the end of email he said"stay warm",I didn't really get his point。
so my question is what does "stay warm"mean? I guess what he wanted to express his feeling is to keep in touch with me,does it make an sense?

Question

what does"stay warm"mean?
I heard from my teacher several days ago.At the end of email he said"stay warm",I didn't really get his point。
so my question is what does "stay warm"mean?  I guess what he wanted to express his feeling is to keep in touch with me,does it make an sense?

Answer

It is a normal closing for good wishes.  In the middle of winter, 'stay warm' would be taken as a wish that you keep warm now that the cold weather is upon us.
He could have said "good health" or "be happy" - not so much commanding you to do so, but expressing his best wishes to you that you stay in good health and/or be happy.
I would consider it more personable and friendly than something more business-like, such as 'Best regards'

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