You’re more invested in a contentious matter than your colleagues are. Considering the lack of interest (and support) you might want to skip the fuss all together.
Browbeating someone into submission won’t win cooperation. Extol the benefits of combining forces and this person will grudgingly agree.
You’re at the center of a tug-of-war. Usually you enjoy the attention, but heated tempers make it more than you bargained for. Broker a truce.
Questions aren’t aimed at undermining your authority. The intention is to get you to rethink your current course of action.
Double standards? You? You’ve been chastising others’ extravagance while helping yourself to certain privileges. Mend your ways.
You’re going to have to throw a battle to win the war. Disappointing in the moment, but there’s more to gain in the long run.