Originally Posted by EldritchBlast
…Huh? Astarion will potentially sleep with Lae’zel at the Tiefling party. If that’s not proof enough of his canon interest in women, I don’t know what would be. He also flirts with both Lae’zel and Shadowheart multiple times in party banter.

No, that would be Wyll on both accounts.

Astarion has kind of an awkward banter with Gale about enjoying walking with him with Gale's answer "Yes, in silence".