Having seen his dismal attempts in the kitchen on Sunday, I'm afraid that I have to say cooking!  Sorry, but it was still mightily entertaining!

Mark wouldn't be able to...

Fly to the moon unaided.

Drink milkshake while parachuting.

Find the one ring or throw it into the fires from once it came.

Be a train driver or ticket collector around Euston station.

Travel from one side of America to the other on one tank of petrol.

Mug someone.

Beat Usain Bolt at a running contest.

Re paint a Monet masterpiece.

Uncover the truth behind...JFK murder, Princess Di's death, Michael Jacksons Death.

Stop the Scottish government from continuing to carve up Princess Street.

Cope without any sleep for seven days.

Disprove gravity.

Fix the hole in the ozone layer.

Find out why it always rains in Edinburgh and Wales.

Figure out how to stop it from raining in Edinburgh and Wales.

can't say anything derogatory about pear cider...

Mark should probably not become a test pilot for new bicycles for reasons not unrelated to his inability to ride one.

He would also be wise to steer clear of cheese tasting and any trade involving mushroom stroganoff or climbing stairs.

Dad Watson

Lick his elbow.

Use cutlery competently.

Haha have you learnt to ride a bike properly yet? I know you've tried :P Many a time.

Oh mabs drive a car... Well legally. Did he get his licence yet? Haha. I'm sure you're capable.

Beat me in a horse riding race. Yes that's right. :P :)

resist the call of ad companies

impress his wife

Finish the Twilight series and tell me what happens in the end. Bet you can't do it. I've tried and boredom wins.

Mark can't...

stack 24 smurfs head to foot

stare at a microphone for more than 6 minutes 23 seconds without blinking

get undressed, turn around 5 times, throw his clothes in the air, and get dressed again - blindfolded

say the alphabet backwards

put more than 22 grapes into his mouth