[look it was the first thing that came to mind, 'boyfriend' sounds too innocent for eichi]

You feel he would object to this? Hmm... I do not know this person, but I do not wish for others to become drawn into our arrangement unwillingly, or become aggrieved due to it.

[...]

While we have an understanding about exclusivity, I can still imagine Joker and Prim raising... not objections, perhaps, but worry over me. So... you may have a point.