Since it's commencement time and people may be looking for advice to dole out to graduating students, I thought I would list advice I think, if followed, could lead to a happy life. Please feel free to add more tips in the comments.
• Make a list of what you need to accomplish today.
• Throughout your life develop 5 short-term (do this year) and 5 long-term goals (do this decade) and work toward them every day.
• Make a list of 100 things you want to do or places you want to go before you die.
• Don’t depend on anyone and never blame others.
• Pay off your credit card bill each month.
• Don’t be too lazy. It gets old.
• Take some chances or life will be really dull.
• Don’t risk your life too often, as you may eventually die.
• Go to the doctor regularly (including the dentist).
• Listen to people when they talk.
• Ask questions, but don’t be a pest.
• Help others often.
• Treat yourself when you deserve it.
• Be reliable – Do what you say you are going to do.
• Brush your teeth and floss.
• Wear sunscreen.
• Be nice to everyone, even if you don’t like them.
• Live within your budget.
• Save some money.
• Learn new things all your life.
• Try to appreciate what you have.
• Try to appreciate beautiful things.
• Have good manners.
• Don’t feel the need to be superior to others.
• Laugh a lot.
• Read.
• Wear comfortable shoes.
• Give people a second chance.
• Be strong and fight when you have to fight.
• Watch the news and be aware of current events.
• Listen to all kinds of music.
• Take help when you need it.
• Don’t dwell on your fears and troubles so much.
• Even if you hate your job, make the best of it. Work on finding a better job, but you’ll probably hate that one too.
• Pay your bills on-time – late fees are a bitch.
• Be decisive. Think about what is the best decision and stick with it unless you are clearly wrong.
• Admit when you are wrong.
• Take pictures and keep them organized.
• Don’t brag too much no matter how great you are.
• Be honest.
• Don’t be afraid to make a fool of yourself once in a while.
• Find something that interests you and become an expert on it.
• Don’t get fat. Exercise.
• Don’t be depressing. Work on having a positive attitude.
• Make lots of friends.
• Keep your appearance up and keep clean.
• Give thoughtful gifts.
• Get enough sleep.
• Keep a blog or a diary of the events of your life.
• Don’t worry about not making everyone happy or what others will think. It usually won’t matter that much to them.
• Take a vacation from the TV (and computer).
• Get rid of stuff you don’t need or want. Don’t be a hoarder.
• Keep your house clean. Hire maids if you can afford it.
• If at all possible, have a pet and take good care of it. Don’t have more than 4.
• Always have something to look forward to.
• Create something.
• Assess your faults and try and correct them.
• Learn to do something interesting—a magic trick, a quirky talent, or something unique.
• Be prepared for emergencies and try to always remain calm.
• Never quit your job unless you have another job lined up.
• Don’t waste your money buying lottery tickets.
• Don’t waste your time with people you don’t like or who treat you badly.
However, a major omission from their list was one of the most shocking deaths of a major TV character I can remember. Lt. Col. Henry Blake, played by McLean Stevenson, died offscreen at the end of the third season of MASH. Stevenson asked to be released from his contract. The show's writers reluctantly penned him an exit in the final episode of the 1974-75 season, in which Lt. Col. Blake was discharged, only to board a plane that was shot down over the Sea of Japan, killing everyone on board (a development added after scripts were distributed so the show's actors would display genuine emotion as if they had been truly unaware of that part of the storyline). 
