I'm interested in training myself to actually live in the present and be aware of my thoughts and surroundings for long periods of time, for DILDs and because of health problems which would benefit from long-term mindfulness. But I don't want to exhaust myself. Here's an idea I have for gradually building up awareness:
Every time I do a reality check (usually once or twice every hour), try to stay aware for one minute and do this for 3 days. Then try 3 minutes after each RC for another few days. then 5 minutes and so on until I'm aware more often than not. Is this likely to work? Could anyone suggest a possibly better way?

Also, how do you stay aware when doing things which require you to think and concentrate? For example writing or talking to someone?