What are some simple moments with loved ones that have made you unexpectedly smile and feel grateful lately?

If you could solve just one problem in your life today, discipline, health, money, learning a language, or your relationship with yourself, which would you choose, and why?
How do you stay hopeful when you feel like the world has forgotten you?
How do you manage living next to neighbors who are easily offended and cause unnecessary tension? Any strategies for keeping the peace?