Originally Posted by Anska
He can have a conversation with the twins that is unique to him. It will tell you how they both left their home because Sorn was treated so poorly there and a bit about their life. Depending on how the conversation goes that also stops them from making their more overt offer. But you can also have the normal Tav dialog.

I know. You can also get something like that from them as a drow. I meant the Gale dialogue because all those asshole options there really don't work with Astarion's understanding of such situations.