I think people are confusing "those characters wants to have fun" with "those characters are in love with me". In all cases, you need a certain level of approval.
Lae'zel has a banter where she talks about being into carnal pleasures with Wyll. She just want to have sex to celebrate the victory. She goes for "you are missing out" if your approval isn't high enough because she's an arrogant overconfident self-centred person.
Wyll flirt with both Lae'zel and Shadowheart in party banter. I'm really starting to think the guy wants to be a known hero so he can bang all the girls he meet at this point.
Astarion is a sleazy charlatan.
Gale requires getting a scene before the party that is romance oriented to get anything.
Shadowheart invite you for a night of talking and wine drinking. She's is in a good mood and want some company. And she might regret it the day after (I think that depends on approval, I haven't tested it thought). It is also conditional to a story decision. Her scene works very well for "just friends" too.
Last edited by azarhal; 15/10/20 12:28 PM.