One way to understand them better is to occasionally talk. Cuz like, guys and girls are actually incredibly similar. A couple of conversations a day, with the occasional really good conversation, can go a very long way towards understanding each other. Everything you don’t talk about is one more thing you won’t understand.
What he means by “if he was in charge there wouldn’t have been a war” is that he would have made sure Ukraine couldn’t defend itself. It wouldn’t have been called a war cuz Russia would have just taken it.