You probably know that adding people to your inner circle takes time, but how much time it actually takes to go from strangers to buddies has been somewhat of a mystery -- until now. A new study suggests you need to spend at least 90 hours with someone before they consider you a real friend.

Meeting new people and making good friends gets harder as you get older. You get less adventurous, fall into comfortable routines with significant others, and you don't have school to force you to interact with different groups of people any more. But if you have at least one friend, you do have an easy option for finding some fresh faces to spend time with.

You have problems, I have advice. This advice isn't sugar-coated -- in fact, it's sugar-free, and may even be a little bitter. Welcome to Tough Love.

There are a lot of perks to going it alone sometimes, but true isolation is becoming a deadly epidemic, especially for middle-aged men. But the loneliness that often comes hand-in-hand with the trials of modern living don't have to be a death sentence.

When you feel lonely, it's hard to get past the sadness and pain that comes with it. But feeling lonely is actually perfectly healthy. It's your mind's way of telling you it's time to make a change.