Ecosystem, as with just about everything ‘attitude’ counts for a lot. If you think you might be too old you probably are. I started late, and although my bag is rotary I think we face similar challenges. Have a backup plan just in case things go pear shaped. Enjoy the challenge, don’t look for reasons to prevent you from doing what you want to do. You can fly commercially until your 65th Birthday. I have my CPL skill test in couple of weeks just before 45th Birthday. After that who knows………….?