You must give some time to your fellow men. Even if it's a little thing, do something for others - something for which you get no pay but the privilege of doing it.
Don't use words too big for the subject. Don't say 'infinitely' when you mean 'very'; otherwise you'll have no word left when you want to talk about something really infinite.
Go through your phone book, call people and ask them to drive you to the airport. The ones who will drive you are your true friends. The rest aren't bad people; they're just acquaintances.