Well, pleasure too, though it's less frequent. [Maybe it is measuring his stress levels and he's more often stressed or anxious than happy, so it reacts and amplifies?]

I... maybe? The Yamamoto on this world seems to be from the same sort of timeline as the one that had me as a pet on Amoi. I could just ask him to take it off for me, but then he'll ask questions. It's pretty obvious that I'm also using it to hide... [He pauses and motions to the skin beneath the collar, scarred up from its persistent tightening and shocking.]

I could ask him and tell him I'm not comfortable sharing the details, but that's just going to make him ask more questions. Takeshi is very persistent.