How do I cut off friends that don't contribute to my life?

Read also:

• Is it possible to start a small scale domestic BPO (Call Center)?
• To prevent blackouts, Trump administration keeps another aging power plant online through summer - AP News
• Blake Lively Just Smoked Justin Baldoni in Court. The Question Is Whether It Will Matter. - Slate Magazine
• What are some examples of unofficial acts by presidents?
• What does it mean to live "the 'underconsumption' life"?
• Do Marines really not need sleep during combat training or in general? If this is true, how and why is this possible?
• Does anyone in the Middle East even understand the reasons for the continuous conflicts as the reasons were understood when the conflicts all started? Is it possible that everything began when two ancient shepherds were playing tricks on each other?
• Patriots OTAs takeaways: Drake Maye rises, Stefon Diggs returns, rookie WR shines - Boston Herald
• Study finds creature that may hold the key to bring limb regeneration to humans - WKRC
• What baseball stories from the early days of the sport seem too bizarre to be true?
• SI cover model Livvy Dunne says she's being stalked in airports by 'middle-aged men' - NBC News
• Destiny 2: The Edge Of Fate Draws On Metroidvanias To Bring You Back In - GameSpot
• Citi Pounds the Table on Nvidia Stock, Citing Big Opportunity in Europe - TipRanks