being alone
People with limited social contact in their lives were more likely to die earlier, providing a rather sound argument for better social services, outreach, and support for older adults.
friendship
Everyone's idea about the number of friends you should have is "unrealistic" and realizing this is a "normal part of growing up" that unfortunately doesn't get a ton of airtime.
best friends
Nick and I put our shoes on in the foyer and I asked him if I could sleep over because the thought of sleeping next to him was nicer than sleeping alone.
boredom
I'm sorry. I'm a wretched person. But: "mustard."