Audre Lorde
Make it a priority to travel to one new city (at least) every year, and spend time there like a local would, eating their food, taking their modes of transportation and soaking in their culture.
While having a mentor is super awesome, sometimes finding one isn't easy. In the mean time, pick two or three people you aspire to be (preferably with resources like a pastor, an author or a politician for example) and subscribe to their podcasts, read their books and follow them on twitter.
#3
When in doubt, icecream is usually the best solution.