Learning the lessons

Again, I find trading profitable but my own greed and lack of self control mean I do stupid bets like laying horses in play etc this results in losses that need not happen.
I also tried tennis for the first time. Not good, lost money again to silly errors but I know more now and I can see why people like trading on it.
Have included screen shot of today, small returns but kept my control and just traded so quite pleased.

In running

Why do I bet in running?????? as soon as I lay the horse, it seems to get an outboard motor from somewhere and zooms up to win. This has happened twice now at wolv and I need to learn the lesson!!!
When I trade I find that it works, yes it seems little return each time but I find that I am now doing 3 to 4 trades per race and able to look at the market and can get in out at the correct times, I just need to be more confident and do this rather than GAMBLE for larger returns. IDIOT!!!!!

Not a good week £40 down mainly due to one bet of £50 not being taken due to my greed on price, I then felt it would return in running, but it didn't. It would be nice if the toy had a stop / loss system, but would I have the discipline to use it?
Anyway, plenty more days in March to recover.