"Even if I could have afforded to drive a Bentley, that's not what I was in it for. Some seem to think it's about flashiness, the big house, big money, cars. That wouldn't be my take on things.
"The decision was brewing over a number of years. The first time I thought this might not be the thing for me was the Christmas of 2005. That was my first Christmas away.
"When you're a young lad your one aim is to get into the first team. You're in digs, you're training, you're resting, all you're looking at is the first team. Being away from home can be difficult on top of that, but at first it wasn't a problem for me.
"When I got into the first team and I saw that some of the lads didn't really care whether we won or lost. I didn't really like that, that was disillusioning. Things weren't going great at the club at the time, which I suppose didn't help, but it made me question whether this was what I wanted to do.
"I was 18. That was when it started to creep in. I was in the team as well, so it was a strange one. The season finished and the manager, Joe Royle, left. The same feelings were in the back of my head and I nearly did it then."
Supple has now re-entered education in his homeland of Ireland, and recently took part in a GAA gaelic football match for Blanchardstown based club St Brigid's between the posts, but was unable to prevent a 2-13 to 2-12 defeat for his side.