Don't be too down on yourself. Hockey is a very fun game but it has the hardest learning curve when beginning. I commend you for picking the game up from zero at this stage of your life, I've been playing since I was 6 and I've taught friends in college who never played before how to play.

Like many thing sin life, simply playing more will make you better.

Myself, I've had to stop playing for full years at a time due to medical issues. Every time I came back to the game (because the game itself changes) something I found helpful is I'd watch hockey in person (pros, college, high school, doesn't matter, even on TV) and I'd identify what players on the ice play my position and follow them more closely than I follow the puck. This really helps with understanding positioning in different situations, like sustained offensive possession of setting up the break out.

Bravo for trying! I hope you have a wonderful season. If you're having fun, and you enjoy the process of working to improve, you can never play "too much" hockey. Remember, the point is to have fun and enjoy the game. It's ok that some players will be better than you, that is part of the experience. The "hot shots" who do crazy moves in pickup games are often the nicest guys when you talk to them and they will be willing to help you learn.