Every month, I gather questions I am asked by my students and people online. At the end of the month, I select the best questions, answer and expand on them them and share my answers in a video on Substack.

I prioritize answering the questions from my students, but include some from other people as well if I can. If I have too many questions, I save those I can't answer for the next month.

Here are the rules to submit a question:

Deadline to submit a question for September 2026

September 30, at 11:59 pm EST

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Submit a question

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Past Q&As