Too Long; Didn't Read
The idea that you are working on is probably going to change. While you seek the golden trophy of product-market-fit, you will encounter many changes and some pivots. For me, it was heartbreaking at first. The thought of letting go of our first product, while we still believed in it, was hard. I even had a small depression-like behavior, because I found it hard to attach myself to the new idea. Thankfully my co-founder (thanks Vee!) was able to get me out of there.