I was out and about town and noticed a family ahead of me. The young girl who was about 3 or 4 years old started to run ahead of the family and her father shouted out don't fall. Within a few seconds splat, yes of course the young girl fell, she wasn't hurt and got up again.
I thought about the suggestion that the father planted in the girl's head and in most cases the result would be a fall. What could be offered instead that might have have different ending, so here a few ideas that might help:
Keep a safe speed, keep your balance, keep your focus, keep your bearings, be safe, be upright, keep your flow, know your balance, focus on your body.
There are some others too I'm sure, just some options you might get a better result with rather than all the don'ts.
