Kaj Sotala said:
[I]f you punish yourself for trying and failing, you stop wanting to try in the first place, as it becomes associated with the negative emotions. Also, accepting and being okay with the occasional failure makes you treat it as a genuine choice where you have agency, not something that you're forced to do against your will.
So maybe we should celebrate failed attempts more often ... I for one can't think of anything I've failed at recently, which is probably a sign that I'm not trying enough new things.
So, what specific things have you failed at recently?
I've just (yesterday) started to do intermittent fasting as well, but more of a 'light' version: I allow myself only ~500 kCal on diet days. This has worked for me in the past, and it was OK yesterday. Hopefully it works again; just eating low carb isn't helping this time (due to lack of exercise, maybe?).