relationship psychology newsletters

NewsletterFIT tracks 13 newsletters that cover relationship psychology as a primary topic, 12 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are The Psychology of Your 20s’ Substack (459K), Humaning with Mark Groves (58K) and Psychology of Relationships (49K).

Updated Oct 30, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Psychology of Your 20s’ Substack 459K subscribers

    Substack Every two weeks · last post 17 days ago

    Likely audience: psychology enthusiasts

  2. 2
    Humaning with Mark Groves 58K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: Men aged 18-25

  3. 3
    Psychology of Relationships 49K subscribers

    Substack Every two weeks · last post 15 days ago

    Likely audience: Psychology enthusiasts

  4. 4
    Kaikki mitä rakastin 14K subscribers

    Substack Weekly · last post 21 days ago

    Likely audience: Relationship counselors

  5. 5
    Provoked with Dr. Todd Kashdan 10K subscribers

    Substack Every two weeks · last post 10 days ago

    Likely audience: relationship enthusiasts

  6. 6
    Dateable Love Lab 10K subscribers

    Substack Monthly or less · last post 20 days ago

    Likely audience: Single individuals seeking relationships

  7. 7
    Paul's Substack 9K subscribers

    Substack Several times a week · last post 19 days ago

    Likely audience: Relationship counselors

  8. 8
    Spence & Sensibility 8K subscribers

    Substack Every two weeks · last post 13 days ago

    Likely audience: Reality TV fans

  9. 9
    İyi Hissettiren Bülten 7K subscribers

    Substack Every two weeks · last post 12 days ago

    Likely audience: psychology enthusiasts

  10. 10
    Imayeshab’s Substack 4K subscribers

    Substack Every two weeks · last post 25 days ago

    Likely audience: dating enthusiasts

  11. 11
    Cathy Cassani Adams 3K subscribers

    Substack Every two weeks · last post 14 days ago

    Likely audience: social workers

  12. 12
    Be the Leader You Want to Be —

    LinkedIn Monthly or less · last post 9 days ago

    Likely audience: Partners of individuals with ADHD

  13. 13
    Digitalpilled Lovergirl 1K subscribers

    Substack last post Aug 13, 2023

    Likely audience: mental health advocates

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