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Hi, I'm one of those people. Been in game development 11 years, now a lead developer for a project that I would buy and play as a gamer, doing exactly what I was dreaming of doing when I was around 7 years old. It's very grueling emotionally and takes a great toll, but I have no other big goals in life right now other than to do this right.
Hi! I'm graduating college soon. My favorite hobby is engine development, and I'd love to try out the field -- may I ask how you broke into the industry?
I think what I mean to say is: if you get into it and it sucks, don't be surprised. But instead of being discouraged jump to somewhere else in the industry. You may be able to find your happy place full of nice people and fun projects (but still hard work!). And if you never do find that place and eventually move on to something else, don't take it as a personal failure.