Me, I like it.
No, it didn't make me laugh; I didn't even smile; but I enjoyed myself all the same while reading it.
Yeah. I confess. Because I profoundly dislike seeing lovers (no, I won't name names - my sister would be very mad at me) being overly demonstrative in the presence of other people… That's why. I feel avenged. ;-P
Only nitpick: I think this would be even better if you described more what seeing them together can do, what hearing them together can do, and what seeing AND hearing them together can do. You could go a bit crazy with the latter…! Which would justify the -J more; right now, this could easily be a mainlist SCP, I think.
Anyway. I like it. Upvote!