I'm so sorry for you loss, please don't think you did a bad job. Two years really is good for a betta. They're not the most long lived fish to begin with, and they're now really overbred and really prone to health problems, so it sounds like you did pretty well with him. Your water quality clearly wasn't a problem, so you'd done well. Please be kind to yourself!Thanks that’s good to know. I felt pretty terrible like I hadn’t done a very good job. Thanks though.