Subscribe to support the show. Paid subscribers can have Q&A discussions with David on a live podcast. Once subscribed, reach out to David with a message on Twitter (reverse_long) or Instagram (reverselong) to confirm dates/times for availability on the show.
If you don't want to be on a show, then you can send your questions (3 questions) to David on social media and he will include them into the next Bear Talk podcast. Subscribers can give questions on a weekly basis.