Then there's your starting point.

[It's not a surprise to him. Bruno isn't a selfish person in the slightest. He's just a bit of a coward.]

If you want to work things out with Khun and express what's important to you, you need to give him that ultimatum and let him decide how to answer. A dialogue first, action second.

Otherwise... I'm sure there are others who will gladly respect your wishes. At bare minimum, Bruno, you deserve to expect that.