I saw my ex today in the mall?

anon222
((Body language question mainly))

I saw my ex today in the mall after having not for a few years, but he has since contacted me and kept up with me and what I do, in the recent past. He was with his girlfriend...but later on I saw him as he was headed to a certain part of a store (without his girlfriend) and he looked directly at me and as he was walking when he saw me he stopped walking, looked somewhat shocked, cocked his head to the left, then kept on walking forward.

What did this mean? If anything?
I saw my ex today in the mall?
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