Funny quote about suspicious smiles, suggesting constant grinners are either salespeople or not clever.

Never trust people who smile constantly. They’re either selling something or not very bright.

Commentary:
"Be cautious of those beaming beings! 😁 Either they're scheming to sell you a bridge πŸŒ‰ or are missing a bulb πŸ’‘ in the chandelier upstairs! πŸ’β€β™‚οΈ #BrightSmilesButDimMinds"