I found some answers to my questions on if I should do stuff with X and the kids online. Pretty good page --

http://behavioural-psychology.suite101.com/article.cfm/spending_time_with_the_ex

My response to X is going to be I would love to however I dont think its proper. I guess that is the right thing to say. Confusing for me on how to handle this offer.

M-32
S-8,D-4
D final Feb09