"A very static black and white method in a totally dynamic market". A very good way of putting it F, well put, and I totally concur.
I trade on a 1 min chart F, and so my SL is as low as 3 pips, and never greater than 7 pips, and that's inclusive of a 1 pip confirmation of a move in my desired direction. As the trade progresses, I will move my stop higher until I settle at +1 pip, then I just let it play out, and wait for it to hit 1:1 R:R ratio.
Probability of my trading style has taught me that if it goes to -4 pips, there is a higher probability of the trade going against me, so I will think of cutting the trade, and waiting for the next, or be dynamic, and re-enter the trade on the second break of S&R, alas sometimes after killing the trade, it may go in my desired direction, but ho hum, I've only lost a few pips, and I just wait for the next one.
Naturally, I still make some mistakes, and on 2 trades today they went to a 1:2 risk:reward, yet greed got the better of me, and I stuck with them until I was out for scratch(+1pip on each). What is your mind set on how to over come such foibles.
Best
John.