In my view, placing new bets requires a clear mind, not belief in miracles. Or rather, being calm enough and not too emotionally invested in hoping for a big win. Still, for many people, that belief is exactly why they play. Some change their approach, others stick to their “trusted” methods — but both face the same thing: chance is stronger than expectations.
So as long as there's a sense of joy in the process, and an ability to control one's budget and not get in trouble with losing too much money, it's okay to do whatever feels right for a particular person. I don't think it affects the chances of winning, but it can improve one's mood and help focus on more positive moments, which is a win in my book.