T'Challa and Nebula
He seemed very relaxed for a king. She was used to people with power being too eager to use it, be it for a supposed 'greater good' like Thanos or just so they could have more power and take away from others less fortunate. There were too many examples of that type of person for her to name.
Loaning a car to Barnes for a night out was a minor thing, but T'Challa had some qualities in common with Stark: resources and generosity.
"It is an honour to have fought by your side, T'Challa. Not having to fight is a novelty and I'm glad we don't have to do so today."