Also, don't mention it. No thanks are needed, I was glad to do it. For example, Thanks for picking me up.You're welcome, or I appreciate what you did for Mother.Don't mention it. Both phrases are polite formulas for responding to thanks. The first dates from about 1900; the variant was first recorded in 1841. For synonyms, see forget it; no problem, def. 2. Also see welcome to.
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