1. Realise with my gear level, I am more than ready to start Coil.
2. Watch some MTQ videos.
3. Spend a moment to imagine having to learn these mechanics with the abusive assholes DF attracts in my party.
4. Nearly uninstall game.
5. Remember I don't have to do this.
6. Be sad I won't get to see the story or wear the good-looking gear any time soon, but okay.
7. Go back to Crystal Tower, which is still peppered with abusive shits, but is at least perfectly do-able even if I'm a little tired or distracted or just not having a top day.

But seriously, for Crystal Tower, I just go in blind because it's a mostly forgiving place and I do it simply because I enjoy the dynamics of a 24-man group.
Anything beyond that, I will watch a video, because ARR has a tendency to drown important mechanics in effect spam, but I'm not gonna pretend for even one second that that remotely compares to actually doing the fight. If I had a static, I'd be just fine going in blind and only pulling up a guide if something completely stumps us. Failing repeatedly is just part of Raiding to me, I'm not scared of it.