now that you mention it

Adverb

now you mention it

1. (idiomatic) Used to precede another comment about something just mentioned.
   • 'I—I—I have fought a little, but not in that climbing way or that running way.' / 'No. Now you mention it,' said Billy, 'you don't look as though you were made for climbing or running—much. Well, how was it, old Hay-bales?'1894 May, Rudyard Kipling, “Servants of the Queen”, in The Jungle Book, London; New York, N.Y.: Macmillan and Co., published June 1894, →OCLC, page 196

   Synonyms:

   come to mention it, now that you mention it