Welcome to the forum mate! Have a cousin with ADHD and a bunch of other things, opposite defiance disorder is a funny one, tell him don't go climb on that shed roof and he can't stop thinking about climbing on it and only gets it out of his system when he's standing on it.Sounds tough Dave. I found out I had ADHD last year so it's been interesting knowing what's been holding me back all my life. Tiling has got easier in some ways but it's frustrating noticing when I've messed something up due to it - usually impulsive decisions I've not thought through or being hasty and saying to myself 'that's fine that'll do' when I should've spent a bit longer getting it right before moving on to the next thing. And usual waking up and getting motivated problems. I'd say with your son use the carrot not the stick! 5 minutes of concentration is better than 1. Are you in Broughty Ferry? I'm Glasgow.
Weather is minging here again.