I think the difference between Haarlep, the drow twins and Halsin is, that with the former three, you get a proposal and just can say no and in Haarleps case the fight starts and in the drow twins case they just wish you a good day. But with Halsin it is just different - he is insisting and you get disapproves, where it doesn't really make sense.
I have no problem getting a proposal for romance, sex and so on, but if I said no once, I want the case to rest.

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Doctor Who