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

Read also:

• Bitcoin update: From 80 bytes to 4MB – How BTC’s brain can get bigger - AMBCrypto
• I have wasted my 6 years for preparing for a government exam but did not succeed. Now I am 28 years old. What should I do?
• What are the most important skills a fine artist should develop in today's art world?
• What was Easter day like for you as a child?
• Adipisci omnis dolor vitae nulla explicabo tenetur.
• What would you do if you found out that someone had broken into your home while you were sleeping?
• Why cant I breathe when I sleep on my back, I can breathe if im on my side or stomach but I feel uncomfortable since either my neck is twisted or my back is in pain, im physically healthy and my surroundings are clean so whats the problem?
• NASA Mars Orbiter Captures Volcano Peeking Above Morning Cloud Tops - NASA (.gov)
• What is the belief about the existence of past lives and memories? Do we have knowledge of our past lives at birth or does it come back to us gradually?
• Were Dalits prohibited from drinking water from wells in ancient times? Is there any evidence to support this claim?
• Android 16 QPR1 Beta 2 redesigns viewed notifications, now transparent - 9to5Google
• Is it possible to start a small scale domestic BPO (Call Center)?