I think that if you are able to put your finances in a comfortable place, then you likely do not need as much discipline regarding the psychology, and the psychology will follow from having your finances in good order, and also psychology follows when you have built up a good sized BTC stash and you are in profits.. but until you get to that point, your building of your financial systems should be helpful in terms of giving you peace of mind that strengthens your psychology.. since you will more likely have systems in place in which you are prepared for the BTC price to go up or to go down or to go sideways.