"Oh, pleased about this as well and a pleasure to share as well!".

Scopes the newcomers's intent and approach and returned with the same amount of reach.

"Oh, could I help you?...oh and pleasure, not many approach me around here, but its nice to be greeted".

His senses chimed in.

"Oh, Grifitti?. Sounds engaging!".

"Oh, in some cases!.....but not all the way, but it is fun to observe!".