I totally agree. To me it's a game, and I play it to have fun. I sign up to one raid a week, and that's the only day I'll physically set time aside for the game. Even then, if it gets too late, or I want to do something else, I leave. When I'm in Kara, I never need mana potions and I only use elixirs and mana oil when I feel it will make a difference. I spent a couple of hours farming herbs on my alt about a month ago, and I still have over 100 super mana potions, 20 healing power elixirs and 20 major mageblood elixirs.
I've always made it clear to my guilds that RL comes very much before the game, and my guildmates are all the same. In fact, one guy left us in Gruul last night, when we only had 25 members online, because his girlfriend wanted him, and not one person complained about that, as in the same situation, we'd all do the same.
Personally, I've made a lot of friends from all over Europe, who I would never have met otherwise, and I've saved a lot of money by not buying a new different game to play every few weeks. It doesn't control my life in the slightest, it just gives me something to do.