When he time comes to leave, just walk away quietly and don't make any fuss.

There's obviously nothing wrong with selling your art - only an idiot with a trust fund would tell you otherwise. But it's confusing to know how far you should take it.

Modern art is a disaster area. Never in the field of human history has so much been used by so many to say so little.

If you want someone to be ignored then build a life-size bronze statue of them and stick it in the middle of town. It doesn't matter how great you were, it'll always take an unfunny drunk with climbing skills to make people notice you.

A recent survey or North American males found 42% were overweight, 34% were critically obese and 8% ate the survey.

The human race is the most stupid and unfair kind of race. A lot of the runners don't even get decent sneakers or clean drinking water. Some runners are born with a massive head start, every possible help along the way and still the referees seem to be on their side. It's not surprising a lot of people have given up compeating altogether and gone to sit in the grandstand, eat junk and shout abuse. What the human race needs is a lot more streakers.

But there's no way round it-commercial success is a mark of failure for a graffiti artist. We're not supposed to be embraced in that way. When you look at how society rewards so many of the wrong people, it's hard not to view financial reimbursement as a badge of self-serving mediocrity.