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Effective date: August 24, 2026

By using HaveAGreatYesterday.com ("the site"), you agree to these terms. If you do not agree, please do not use the site. These terms govern your access to and use of all content, features, and services available on the site.

What the site is

HaveAGreatYesterday.com is an editorial website. It publishes content about the MyHGY™ Method — a personal-development methodology — and related ideas. It is not a therapy service, medical provider, mental health platform, or licensed counseling service of any kind.

Not professional advice

Nothing on this site constitutes medical, psychological, therapeutic, legal, financial, or professional advice of any kind. Content is provided for informational and educational purposes only. If you are experiencing a mental health crisis or medical emergency, please contact a qualified professional or call emergency services in your area.

Use of the site does not create a professional relationship of any kind between you and HaveAGreatYesterday.com or its founder.

Intellectual property

All written content, design, and original materials on this site are owned by HaveAGreatYesterday.com and its founder unless otherwise noted. "MyHGY™" and "MyHGY™ Method" are trademarks. You may not reproduce, republish, or redistribute site content without written permission.

Short quotations with clear attribution and a link back to the original page are permitted for editorial, educational, or journalistic use.

Hall of Fame and third-party references

This site references the published work of various thinkers, authors, and public figures in its Hall of Fame and elsewhere. HaveAGreatYesterday.com is not affiliated with, sponsored by, endorsed by, or partnered with any individual or organization mentioned on the site. References are to publicly available published works only.

External links

The site may link to third-party websites, including MyDopa™ (a separate product). We are not responsible for the content or practices of any external site. A link does not constitute an endorsement.

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Disclaimer of warranties

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Limitation of liability

To the maximum extent permitted by applicable law, HaveAGreatYesterday.com and its founder are not liable for any indirect, incidental, or consequential damages arising from your use of, or inability to use, the site or its content.

Changes to these terms

We may update these terms from time to time. The effective date at the top of this page will reflect the most recent revision. Continued use of the site after changes constitutes your acceptance of the updated terms.

Governing law

These terms are governed by the laws of Wyoming, United States, without regard to conflict-of-law principles.

Contact

Questions about these terms can be sent to contact@myhgy.com.

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Dan Sullivan has publicly credited Lior Weinstein with the original insight, and Sullivan has developed and shared the phrase through his own work. Their contributions are acknowledged on this site. MyHGY™™ is an independently developed methodology and is not affiliated with or endorsed by either individual. Where the phrase "Have a Great Yesterday" comes from →

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