I'm sure there was an educational angle to the trips (I think one was to the Ulster Museum) but it was the fun and banter I had with my friends I remember the most.
In a serious sense, wanting to change something from the past doesn't work for me - change something you don't enjoy now rather than regretting it later.
It may come as a surprise but I also really started to get into history while I was at school. I found the projects about World War Two fascinating - perhaps when I get the time again, I could pick up where I left off.
Because I lived so close to the school and walked there every day, I used to enjoy the school bus trips.
I was detained a couple of times but that was for not handing in homework because I was playing golf or not present because I was playing golf. There was a theme evolving.
Sport was an obvious favourite of mine, and not only golf. I was, and still am, a big rugby fan.
The flight I'm most excited about is the one that takes me back to Northern Ireland to visit family and friends.
In all honesty, I never actually did anything wrong (in my eyes, at least) at school or misbehaved in any big way. If it was anything, it was probably just a lot of clowning around.
Fitness plays such an important role in my life, and an integral part of my golf structure, that I think I might be quite good at teaching others the benefits of sport and fitness.
I was very excited when I first started to travel so much. In fact, I was amazed that people were paying me to travel to play the game I loved.
I don't really remember, but from about the age of five I told anyone who would listen that I was going to be the best golfer in the world.
I started to really believe in myself, and my abilities, when I won the World Under-10 championship in Doral, Florida. I was nine and saw for the first time that I was amongst the best players in the world for my age. This was a massive confidence-builder for me.
Leaving golf aside for the moment, I'd choose Roger Federer as a sporting role model, Muhammad Ali for a sporting and non-sporting role model and Nelson Mandela as a true and lasting inspiration.
I believe that anybody with Mandela's capacity to endure hardship and then forgive is a born leader and example to us all.
I'm afraid there are no replays or second chances in amateur or professional golf, and that's the way it should be.
I think there came a time - probably when I was about 13 - when I started to struggle with an increasing volume of schoolwork and the demands from my golfing schedule and aspirations. I'm not sure if the decision to leave school was very clear in my mind then but I did know that in the juggling between the two, my energies were most definitely in the golfing direction.
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