Core features of pro-active aggression are high levels of callous unemotional traits and hypo arousal of the stress system [48 — 52]. (capmh.biomedcentral.com)
One parent may keep the other posted on developments in a simple, unemotional way such as one of the several web - or app - based programs and message boards that are available and foster such communication. (divorcemag.com)
He can be as unemotional as anyone in golf. (sbnation.com)