Hey dude,
I'm also about the same timeline as you.
To be quite honest with you, after being sober for months, its so easy to feel down as I haven't recovered no where near enough as I would have liked. Especially when there are accounts of people on forums who are living happy lives after a few weeks or a couple of months...
Just to give you some background info, I smoked weed everyday for years from ages of 16-21. I quit for like 4-5 months, saw about 20% improvements and then started smoking again till 23. I quit properly at the end of October however I have slipped up once or twice..
Before I started smoking weed, I was never depressed, was very sociable, didn't even know what anxiety was. As my weed consumption increased, I first noticed the social anxiety while I was high, then not long after came the depression.
Throughout my daily smoking years, I still managed to graduate with two degrees, and I did start a job in October around the same time I quit.
Still though...since then, I haven't improved too much. Yeah my social anxiety has decreased somewhat, I might actually laugh sometimes, my social skills have slightly improved, but my core problems remain. I feel like a shell of my former self, I don't process emotions properly (inability to cry & laugh), still feel unconformable in some social interactions, I can't relate to people like I used to be able to, my capacity to derive pleasure from previously-enjoyable activities is greatly diminished, my personality and sense of humour is practically non-existent, my cognition is no where near what it used to be, etc etc...
On the other hand I haven't a great effort throughout my second quit. I don't exercise as anyone with drug-induced brain problems should do. I don't read enough. I don't eat healthy enough. etc
Still though I'm a tank, and I'm kind of willing to feel like sh** for a long long time as long as this improves and gets better. I would say i'm about 10% better than I was like 5 months ago, which isn't much

.