Knowledge is knowing that a tomato is a fruit. Wisdom is knowing not to put it in a fruit salad.
Growing up, I supported Manchester United, and my hero was Mark Hughes.
Team sports are very important for shaping personalities. It's important that kids understand the mentality behind playing team sports and playing for one another and playing with friends.
I've got my head fixed on the next part of life. I know there will be an adjusting period of just not being a rugby player for a while, and over that period I'll get my head around what the next challenge involves.
If you stop doing a skill you've done for years for any period of time, there's an adjustment period to get it back. In anything you do. Motor skills won't work as fast, because repetition is everything.
You've to celebrate the good days because there are brutal days that make the good ones sweet.
A physical therapist does some unbelievable stretching with me.
I'm not privy to the English set-up, but at the academies in Ireland, there is a huge focus on the weights room as opposed to whether they can throw a 10-metre pass on the run. They should be rugby players becoming athletes, not athletes becoming rugby players.
I found in the past when I did a bit of punditry, I was very conscious of not saying anything negative about people I played against, because players are elephants and they remember when someone says something - I stored things for years and just waited for my opportunity.
Rugby gave me a confidence. I was quite shy and relatively timid, but it gave me the confidence to be a little bit more out-going and back myself a bit more.
One thing I learnt early on my career is that personal gratification takes second place.