edit is tarded..
I don't think his theory is about toxoplasmosis, plenty of straight people have that and yes, sort of, supposedly toxmo causes irritability, paranoia/anxiety, passive aggressiveness and laziness.. its different in men and women tho, you can google it yourself.
Heck.. now that you mention it though, i might just slip my kids some ivermectin at some point as a preventative measure.