Thanks to all for all of the replies thus far, especially RacerBill. In regard to the putting more effort into the car now because of constraints later, Captain Who and I have (basically) rebuilt the large majority of the Rx7, the 1st of our "clown car" SPUs is about to come out of the shop, and we have another SPU project with no deadline in the works.
In regard to the statement about having kids earlier, I didn't have a wife then to have one with!! LOL. Not that this has stopped some folks, but it seemed like a good idea to me. She wants two kids, but I'm leaning towards keeping it to only one. With her hypertension, we'll have to see what happens with the first one and go from there. Already referred to a "high risk OB" despite our not having begun to "try" yet.
Please don't take the wording of the title of the subject for this thread as being an "either-or" situation. Guess that I'm just kinda intimidated and, yes, a bit scared too.