I used to make up stuff in my bio all the time, that I used to be a professional ice-skater and stuff like that. I found it so inspirational. Why not make myself cooler than I am?

This quote is about making up stories in your biography that are more impressive or cool than you actually are. The speaker is saying they used to do this often, such as pretending they were a professional ice-skater. They found that pretending to be cooler than they actually were was motivating and inspiring.