Mizora wants to perv on Wyll getting nookie, and he'd rather she didn't ^.^

I think that if Wyll is one "I'm sexier, just think of me tonight" roll away from shutting Mizora out, that's more of an indication that there's no magical charm involved. I wouldn't say that Wyll necessarily wants to be good, but is failing at it for the most part; I'd say he wants to Be Seen to be good. He's not interested in taking right action that goes against his personal immediate needs... Unless there is a larger watching audience to judge or laude him for it. I think he probably would like to be a good person, and to be the hero the portrays, but only insofar as it generates the perks of heroism and fame for him. If he were to be offered the option of being a great hero and doing a greatly heroic thing... but which no-one would know about, OR pursuing bloody vengeance and achieving his goals through excessive violence and murder, also which no-one would know about... Wyll would, 100% guaranteed, choose the latter, at least on my reading of him. I'm sure he can be influenced to become genuinely good and heroic.. but the person he is right now lies continually to my face after being called out on doing so, and gaslights my character about it, demeaning me as a crazy idiot, even when we both know he's been found out... He would not risk his life to save mine, unless there were adoring fans to watch him do it, and he especially would not do so if it interfered with the pursuit of his own goals... Remember again: He promised the druids he would help them, and be the hero they needed... and yet the moment his personal goals move away from the goblin camp, his impulse is to abandon that promise and those people, immediately, to pursue his goals; that is what he wants to do, and that is what he would choose to do if no-one was watching him. What if the promise of help was to me? Could I trust him to keep it? Empirically, right now, no, I absolutely cannot.

I don't give Wyll a lot of leeway because he doesn't need or deserve it in my mind: he has no reason to continue lying or deceiving us, once his secret is out, yet he chooses to. He has no reason to be rude, dishonest and deceitful to us after we identify what's going on, but he chooses to. His urging to abandon the goblins and druids after making a promise to them, in order to pursue the new lead with Mizora is entirely his choice, and one that reflects poorly on him as a trustworthy individual. There is no evidence to suggest that his poor behaviour stems from anything other than his own poor character. I also don't appreciate people treating me like I'm stupid when I've called them out on something or demonstrated that I'm not, and I especially don't like them acting all buddy-buddy to me after doing so, without an apology... Wyll does both these things.

You make good points about Lae'zel, KR - after the events we've seen in act one, there's more grounds to suppose a building loyalty to our character with her; the betrayal by her own people is a big blow to her, and I'll accept that she may be more steadfast with us than she would openly admit to, after it all falls out and we support her... but it's worth remembering that being so would go strongly against her entire upbringing and life to date, and that's a big turn for her to grapple with.

I'd like to add to Astarion: After we survive the rolling boulder that he watched to see if we'd get squished by, Astarion will also come back to joke about it, and assure us that he knew we would be fine, and look, we were fine, so no harm done, is there?

If Larian goes with the party exclusion again, then yeah, I agree it's very likely their various reasons for betraying us will be the leverage used at the end of the act to justify that. I'm still saying that it's weak and uninspired story-telling, and mechanically dissatisfying to boot, and I hope they don't do that again.

It's also likely that choosing to see the best in our companions will eventually bring that about to being the truth, so each of these characters will have a path of being influenced to being their best interpretation, with us... I'm trying to focus on where they are now, without our influence, but there's no denying they're set up this way, to be changeable.