Been doing ok. My nights are good (due to klonopin), appetite is great, any weight after the withdrawals came back. Anxiety is still a problem though. I'm 38 and this has always been an issue. Sometimes its mild and can be walked off, other times it leads to feeling ominous and sick. Klonopin has been helping, started from 0.75 then 0.5 and on to 0.25 but that last one was ineffective, had to move back up to 0.5/0.6 to restabilze. Also had to switch brands from accord to solco, accord is unpredictable and can cause headaches but it works fast. Solco takes its time (1-2 hours) but is more comfortable. Another problem that came up, for the last couple of days, at noon, I've been drowsy and wanted to nap. But doing so leads to anxiety, this is normal for me because my nights are affected. I was able to exercise at the park to relieve it, but it came back a few hours later and was treated with klonopin (a few hours before bed).

tl;dr When you quit seroquel: The symptoms you were using it to treat will more than likely come back, worse than before. In my case, its night/sleep time anxiety. That said, in my opinion, I feel using a low dose of a benzo is far safer than the side effects of seroquel.