Why would he invalidate my emotions and experiences?

So my boyfriend and I talked about stuff and he went on to say he doesn't feel I'm not doing anything. I've been applying to jobs get denied a lot. I have VA disability and it helps as I'm still trying to get a job. He said military ain't hard and his fireman training was harder and I shouldn't make excuses about my injuries. He feels I'm trying to milk the system or look for a handout which I'm not. I did get hurt and I have chronic illnesses that prevent me from serving.
Why would he invalidate my emotions and experiences?
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