Im not sure what I am doing.... any advice/comment on this?
Be consistent. Be friendly but take it slow. Don't let him cake eat. Do not pursue.
Lingering around work hoping to to run in to him is pursuing. HE will find YOU if he truly wants to see or do something with you.
BD-Aug 2009 OW Confirmed H moves out Dec 2009 D filed by H-Mar 2010 H asks to come home April 2011 BD AGAIN 1-15-2014! H seeing FOW! H ran away again! 1-18-2014