From the crew-side I like:
-colleagues with whom you can have a laugh (but not to loud - as not to disturb our pax

)
- who you can depend on and who know what they do (service, as well as safetywise) (and if they forgot something - tell us, we help and are happy to explain! nothing worse than someone who has no clue but pretends to be the best)
- those, who sees where help is needed and who is willing to go there and give a hand
Paxwise:
- to see that they like their job - if they have fun - we pax have
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I want fish