clm1970 writes: "Researcher Simon Barone-Cohen has put forth the theory that "how we mate and marry" could explain the increase in rates of Autism Spectrum Disorders particularly Aspergers. When two technically minded people marry and have children, so the provocative theory goes, they are more apt to produce a child who crosses the line into mild autism." Link to Original Source
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.