@snarkformysanity (My comment was going to be very long... So I decided to turn it into a post instead lol sorry for bothering you.)
Feyre's analogy about Tamlin being the villain for throwing away the key is ridiculous in my opinion.
I understand that Sarah wanted an analogy of "an abusive man who keeps his wife captive to control her", But the scene only works if there's no real threat, and him trying to instill paranoia in his own wife and scare her on purpose (Like Rapunzel's mother, Gothel). The whole context of the scene seems more like an analogy of "a person (Feyre) mentally bad/without conditions insisting on doing something that could to place them and others Innocent people are in danger, so another person (Tamlin) stops them from committing such a reckless act."... Do you know why this happens? Because in ACOTAR there are enemies who could capture Feyre, there was danger, Feyre really wasn't thinking clearly and had no sense of self-preservation at that moment, She could snap and end up hurting someone because her powers were out of control
The book proves his decision was right, as Feyre's powers were unleashed on their own in the split second she was inside the mansion... That's because Feyre's emotions are intertwined with her power. This is actually common throughout the saga, not exclusive to one character. (Just to be clear... We see in Acosf that, in reality, this is nothing more than an intervention... at least, it depends on which character is doing it... If you're not the IC, then you're wrong... You're bad, So much so that there are many people in the fandom who treat one thing as terrible and the other as helping someone in a bad mental state... We criticize Tamlin, but not the IC... )
This isn't to defend Tamlin, but rather to show that Feyre's analogy is TERRIBLE and that she admits, without realizing it later in the book, that she shouldn't have been on the front lines, otherwise it would be a hindrance.
I understand Feyre's frustration about going out and doing nothing radical, but that doesn't mean Tamlin is any less right in wanting her to stay.It was the most sensible thing to do, yes... even though I don't like his attitude..., it's undeniable that his reasoning wasn't wrong... And it amazes me that Feyre sees him as "the villain who throws away the key" just because he didn't want her to die... Because he couldn't trust Feyre to understand what going with him meant, because she was only thinking about her need for adrenaline and risking her life, just because, apparently, UTM awakened in her a sense of urgency and a desire to no longer live a quiet life... That's why Rhys is good for Feyre, because Rhys doesn't care if Feyre risks her own life or doesn't care about risking hers without clarifying anything beforehand...
Tamlin simply didn't understand that Feyre at that moment was a frustrated Bord Collins with pent-up energy who needed action and to risk her own life to feel good and useful...Why? Because the guy is super protective and he met Feyre as the human who chose him BECAUSE HE IS PROTECTIVE.
In the end, I still think Feyre shouldn't have ended up with anyone, and that Tamlin and Rhys are both toxic figures; what changes is that one has become romanticized and Feyre chose as final partner.
If I was hypocritical at any point, I apologize... It's very difficult not to be, even unintentionally, because Sarah keeps recycling scenes and plot within the saga... giving another meaning or romanticizing in favor of their "good" characters