It's not much of a learning curve but I would say my greatest block would by my own self confidence.
It's cheesy but if you put your mind towards something you can do it.
In college I suffered a lot of self confidence loss and really started to struggle when it came to learning new things. But I found I would go through a phase of stubborn "I'm not ready to fail yet." In would work harder to catch up for what I lost.
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