Man, I used to stress about this so much. Then I started traveling more and realized adulting looks different everywhere. Some cultures don't even have 'grocery shopping' it's just markets and fresh stuff daily. Take the pressure off, you do you, and just try add something green to your cart …

If you're into a co-working vibe check out Noisebridge in the Mission, it's an anarchist hackerspace with a great community - might be interesting for you. And since you're in the area, get your burrito fix at Cancun and thank me later.