I liked it overall.
I agree with @jhull on the score and direction, although it does get better. I didn't get an Eternal Sunshine vibe though.
Some of the improv bugged me, but that's typical for modern comedy, it seems.
I think Dramatica User Group procedure is always a good way to go forward on an analysis. I think it's going to be important to establish consensus on throughlines and dynamics before we jump into domains. (Plus it buys us time for @MWollaeger to finish )
Did you want to take a stab at naming the four throughlines?
Let's try to avoid spoilers and if we have to bring something up, clearly mark them.