Should I seek help?

I exercise every day, have a sixpack and some muscle so I look decent I think. I am a vegetarian (for health reasons) and when people find out that I am only 57 kg at 174cm height as a dude they freak out (especially my mom). I don't think I am anorexic I regularly eat junk food but I tend to "punish" myself with brutal amount of exercise and small amount of food when I feel down or kind of depressed. This is how I relief stress. So far I had this under control but I am about to move to my own apartment completely alone. Should I have someone who regularly checks me on this? Should I seek therapy? I don't think it can get to a harmful level, I just started thinking about it that this mindset might not be healthy on the long run.
Should I seek help?
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