Speaking from experience, my one shred of advice is to TAKE IT SLOW! Don't force anything, and don't move fast even when it "feels right". It's not a race and if you go to fast you risk someone getting cold feet. Especially when the four of you are tugging for that blanket at night.
"Regret for the things we did can be tempered by time; it is the regret for the things we did not do that is inconsolable." - Sydney Smith
Kyle: 27 year old male
Katie (rymmare): 25 year old female
Kids: girl: 5 years old, boy: 3 years old