My brother was angry that the bill was wrong and had a big _____ with the waiter.

The waiter is very _____ and gets upset easily if you criticise him.

When making small talk, complimenting someone`s clothes or hairstyle is usually acceptable.

You are working at the front desk at a hotel cheking in guests. You notice a loyalty program customer and, based on your company policy, offer her a complimentary upgrade. After she leaves the counter, a new guest who was standing behind the earlier cutomer followed the transaction and demands an upgrade, too.

Religion is usually considered a "safe" topic for small talk?  

What does this body langusge cue indicate?