I feel like no matter what, I keep making mistakes keeping fish. I enjoy fishkeeping. I made some big mistakes building my pond filter and now I have to redo it. I learn from my mistakes, but it seems like I still make stupid mistakes quite frequently. Maybe I'm being too hard on myself, but I'm not sure. There are a few members here who act like they never make mistakes because they are experienced. I wouldn't consider myself a beginner fish keeper, but some people say that only beginners make mistakes and I don't think that is true. Let me know what you think.