I've been in game for a few years now and I would parrot the people here saying stay away from the forum until you stop having fun in game - They will suck any fun you're having out of it. When I want guides (even as a mentor) I tend to go to youtube and Icy Veins or you can just pop up in one of the ARR cities with a shout about something and chances are somebody will get back to you.

Chances are (especially if you play healer a lot) you'll start to get a feel for a lot of the common complaints here after Stormblood and Shadowbringers.