Everything we’ve written on friendship.

What research says about close friends, loneliness and the small acts that keep people close.

9 posts · updated

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  • A stallholder serving a customer at an outdoor fruit and vegetable market
    Our thinking

    Strong ties, weak ties: who belongs in your 49

    The friend of a friend who found you a job, and the sister who'd drive through the night. Why you need both kinds of tie, and why Philos is built for the second.

    By Luca · 3 min read · 18 Oct 2026

  • Hands reaching across a table full of shared dishes
    Our thinking

    The moai: Okinawa's circles of friends for life

    In Okinawa, groups of friends meet for decades, some since primary school. Where the moai came from, Europe's own versions, and how to start one with your people.

    By Luca · 3 min read · 3 Oct 2026

  • A small cup of coffee with a spoon on its saucer
    Our thinking

    Why a short message means more than you think

    We put off messaging old friends because it feels awkward. Research with thousands of people found they're far gladder to hear from us than we expect.

    By Luca · 3 min read · 25 Sept 2026

  • Guides

    Voice messages: when typing won't do

    Hold the mic, talk, let go. How voice messages work on Philos, how to lock, pause and listen back before sending, and why a voice lands differently.

    By Suhail · 2 min read · 23 Sept 2026

  • Washing hung on lines across a narrow street in Rome, with a small red car parked below
    Our thinking

    Lonely, with hundreds of followers

    We've never been so connected, and governments now appoint ministers for loneliness. Why a feed full of people can still leave you hungry, and what feeds us instead.

    By Luca · 4 min read · 21 Sept 2026

  • Two people sitting close together on a rock by a mountain lake
    Our thinking

    What 88 years of the Harvard happiness study found

    Since 1938, Harvard researchers have followed hundreds of lives from youth to old age. Their clearest finding isn't about money or fame. It's about your people.

    By Luca · 3 min read · 11 Sept 2026

  • Rome's rooftops and church domes at dusk, thousands of homes side by side
    Our thinking

    The Christmas card list behind Dunbar's number

    An anthropologist counted Christmas cards and found the shape of our friendships. What Dunbar's number says, what it doesn't, and where 49 fits in.

    By Luca · 3 min read · 7 Sept 2026

  • Guides

    Who to add first: your first five places

    Your heart has room for 49, but the first five matter most. Who to add first, how to invite them, and why there's no rush to fill the rest.

    By Suhail · 3 min read · 4 Sept 2026

  • That’s everything on friendship.

    Nine posts so far. We add more as Philos changes.

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