Let the professionals decide if you're crap at flying, not yourself
.
I think you have a lot of research to do, as a 16 year old I would leave this reasearch until you are in a fiancial position to pay for the course, it's all good saying that you want to join OAA etc but when you get a bit older and realise the true value of £80k + interest I'm sure you will start to consider the modular route.