Why the huge change in his personality?
Most Helpful Guy
I am not sure but I would get counseling to find out.
Most Helpful Girl
When it's MY idea, it's fun to do
When I'm nagged bossed to do something (even if it's a good idea), then it's drudge slave work with no accolades and sometimes critiqued = ugh
you get back together, you'll find that letting him do things HIS way on HIS timeline will get the same things done as you wish, only better & happier
Obviously he's motivated to do the right thing and so far... not distracted by pretty neighbors... but don't wait too long