Should've stayed on board...

Just got revisions back for Always The Best Man (whether it keeps that title or not remains to be seen!).  It seems that my ending feels a little rushed.  I had suspected as much myself, and when I got my trusty plotboard out, I could see why!

This is the current incarnation of my plotboard. 
There are four rows:
act 1first part of act 2second part of act 2act 3

Compared to the beginning of the story, the last act is a little sparse!  And if I'd paid attention to my board instead of ignoring tha...