We were attending the same event but only peripherally aware that the other was attending.

We were there to see the same celebrity/famous person and were in some receiving line.

After I had greeted this person, I saw you behind them. We were both surprised to see each other.

You had cut your hair surprisingly short. You were mad I didn't say hi. You introduced me to the person you were with and we said Hi. You pulled me in for a fierce hug and whispered something in my ear.

Three connected podcast shows . watch them in order

fris·son

[ˈfriːsɒn, ˈfrɪsɒn, ˈfriːsɒ̃]

frisson (noun)

frissons (plural noun)

a sudden strong feeling of excitement or fear; a thrill:"a frisson of excitement"