Exactly, this habit is the main root of big problems like, gambling, debt, interest, usury, and almost 10% of immoral activities if we started to name a few. I have seen many people near me doing the same mistake, they left one job to get another with good hopes.
I don't think we can manage to avoid such events because it's life and that's what life is for, we face situations from which we cannot break out, (like we called it bad times), but bad times are also a necessary part of our life because it helps us to differentiate between good and bad friends who comes handy in needs. So, i don't think we can avoid such events.
Agreed, but as I said it's not possible to assume what's going to happen in the future and who is going to leave you after making promises because life is not the same for everyone who knows why your uncle was unable to fulfill his promise maybe he wants an exit so he just lied (not accusing just a probability). Like once my uncle also left his job for another but another company faced a difficult time after my uncle joined it and he became jobless. I also make the same mistake often like should i invest my money in BTC now or I should wait more, same goes for holding. If we could able to predict future events and promises then we could be rich, all we can do is to prepare another plan, as like in trading we have dozens of plans to face failure, like DCA to increase profit ratio, saving 20% to 30% in fiat to book in dip, etc., etc.