I got into the habit of using =P to suggest humor or not being too serious, but since I picked it up from someone at least 10 years older than me, I suppose it

I got into the habit of using =P to suggest humor or not being too serious, but since I picked it up from someone at least 10 years older than me, I suppose it could come off as toxic or arrogant to people 10 years younger and none have told me yet