@Totsy I've got one of those

Just turned a year and weighs around 40kg now and still filling out

mrs trying to get a before and after - 8 weeks to a year old
@Bowland blades keep your labs, I wanted a dog that was going to test me and push my patience

I certainly got that. I had GSD's prior and frankly, a lab just wouldn't do it for me. I just find them so boring.
As with the rest of the advice already on here, get the basics down and they already know the rest! Recall, recall, recall. Once that was nailed for 99 percent of the time, the rest came naturally and he just got on with his job.
@NigelM another thank you for taking the time to have a conversation with me before I pulled the trigger on one so to speak!
Last picture was end of Feb, dragged the doe off a banking, in to a gulley and out of it without any encouragement... Then a 'gentle' shake to make sure it was definitely dead