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I replay the same conversation in my head for hours after it's over

I replay the same conversation in my head for hours after it's over

Mindfulness
How do you handle outgrowing your closest friendships?

How do you handle outgrowing your closest friendships?

Relationships
I’ve become the manager of people who used to be my peers

I’ve become the manager of people who used to be my peers

Leadership
Our email list is growing, but readers aren’t becoming customers

Our email list is growing, but readers aren’t becoming customers

Marketing
Which supplements matter, and which are a waste of money?

Which supplements matter, and which are a waste of money?

Health
My coworkers went out again last night and nobody thought to ask me

My coworkers went out again last night and nobody thought to ask me

Social

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I matched with someone three weeks ago and we finally met for coffee yesterday. I knocked over my cup, laughed too loud, then went quiet for five minutes straight. She probably thinks I'm broken

I matched with someone three weeks ago and we finally met for coffee yesterday. I knocked over my cup, laughed too loud, then went quiet for five minutes straight. She probably thinks I'm broken

I tore my ACL last year and just got cleared to train again after eight months off. I used to run five miles without thinking about it, now I'm winded after ten minutes on the bike. Where do I even start rebuilding from here?

I tore my ACL last year and just got cleared to train again after eight months off. I used to run five miles without thinking about it, now I'm winded after ten minutes on the bike. Where do I even start rebuilding from here?

My quota this quarter is $80,000 and I'm sitting at $52,000 with 12 days left. I've got three deals in late stage that could close but none have signed. My manager wants a forecast by end of day, do I promise numbers I'm not sure of?

My quota this quarter is $80,000 and I'm sitting at $52,000 with 12 days left. I've got three deals in late stage that could close but none have signed. My manager wants a forecast by end of day, do I promise numbers I'm not sure of?

I've been dating my girlfriend for eight months and my parents don't know she exists. They're traditional, and she's fifteen years older than me. I'm flying home for the holidays next week and I don't know how to bring her up

I've been dating my girlfriend for eight months and my parents don't know she exists. They're traditional, and she's fifteen years older than me. I'm flying home for the holidays next week and I don't know how to bring her up

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I'm a solo founder and I honestly can't tell if I have product-market fit yet.

Top perspectives

Lenny Rachitsky

Writer of Lenny's Newsletter · Host of Lenny's Podcast · ex-Airbnb

Lenny's NewsletterLenny's PodcastAirbnb

The honest answer: if you're not sure, you probably don't have it yet. When you truly have product-market fit, people are fighting to get in. You're not questioning it.

Julie Zhuo

Co-founder of Sundial · ex-VP Design at Facebook

The Making of a ManagerSundialFacebook

The clearest signal is retention: are the people who try your product coming back without you having to push them? If they are, you likely have product-market fit for a segment. If they aren't, the rest is noise.

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Lenny Rachitsky

Their Delphi, answering in their voice

I'm a solo founder and I honestly can't tell if I have product-market fit yet.
If you're not sure, you probably don't have it yet. When you do, people are fighting to get in. Start with the Sean Ellis “very disappointed” survey and look hard at retention. Those two give you the clearest read.
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