How do I find and keep clients for my training business?

You can train people. That is the skill that actually helps someone change. The part beating you is the business around it, and that is a separate craft nobody handed you. This is not a sign you are not cut out for it. It is a sign you have one more thing to learn. Finding and keeping clients comes down to two simple truths practiced consistently. People hire trainers they trust, so being visible and showing real results builds that trust over time. And people stay when they feel progress and feel cared for, so checking in and marking their wins keeps them with you. Neither requires you to become a slick salesperson. Start with keeping, because it is cheaper than finding. Reach out to one current or past client this week, just to see how they are doing. A single genuine check-in does more for your business than any ad. Do that regularly and word of mouth starts working for you.