"Leaving the cooker on 2. Leaving the taps on 3. Leaving a window open or a door unlocked"
I fret about these things a lot - so I take pictures on my phone. This completely solves the problem for me and, of course, I never look at the resulting pictures.
Does create some surreal Apple Memories made up of nothing but unplugged plugs and locked doors set to music.... :-)
I too started taking photos on my phone. It's not a solution, it's a safety behaviour. The trouble with safety behaviours is that they can stop working after a while and then you're in trouble.
That's a very practical and straightforward way of addressing it, a really good idea.
In my case I very occasionally worry about having left the gas stove on in the kitchen after cooking, and what usually works, in a way similar to the pictures you take I guess, is re-tracing my actions just before and after switching the gas off. This way I can actually visualize how I turned off the gas just before draining the pasta in the sink or whatever.
This works if I remember something particular about that specific occasion tho, but it usually does the thing.
I found it helped my compulsion to repeatedly check if I locked a door was to check, and then say, out loud, to myself, "OK, it's locked." Just throwing it out there for someone else.
I fret about these things a lot - so I take pictures on my phone. This completely solves the problem for me and, of course, I never look at the resulting pictures.
Does create some surreal Apple Memories made up of nothing but unplugged plugs and locked doors set to music.... :-)