The claim:

“I’ve learned to control my emotions during work, and now it’s just a job for me. I always have the argument: It’s either them or me,” he said.

The reality:

He learned to suppress his emotions. If he survives the war, he'll become (if not one already) some form of addict, abuse those in his life, and liberals will generalize it out as "generational trauma", removed from the context of imperialism.