Wow, just wow. Have you ever been near an infantryman? That's all they know how to talk about.
No, shagging comes first, second and third then booze, boobs, sports, boobs, mate's missus (boobs) cartoons ( films) and boobs.
They don't think or talk about killing much these days, the recruits' instructors back from Afghan explain it explicitly to them and the trained soldiers do anything but think about it, various degrees of PTSD.