1) Floss. It is essential for good dental hygiene.
2) Take a long walk, now and then.
3) Eat plenty of fruit.
4) Don't drink caffeine before bed.
5) Attempt to sleep at least 7 hours a night.
6) And accept that she/he is never coming back.
7) Accept that the past is irreparable, and dwelling on it will change nothing.
8) Dwell on it anyway.
9) Move on.
10) Travel. Alone. Avoid the tourist traps, learn please and thank you in the local language.
11) Acquire new talents for the sake of acquiring them.
12) Exercise at least 3 times a week
13) Buy clothes that fit properly. You'll notice the difference in your dating life.
14) Always check your system has the specs to run the game.
15) Always check the milk is in date.
16) Always check the lid hasn't fallen down.
17) Accept there will be whole weeks when you understand nothing, and everything hurts.
18) Accept sometimes stupid people get lucky, and sometimes smart people never make it.
19) Accept that girl in class isn't going to strike up a conversation first, but if you do, it will probably go alright.
20) Accept that just because it's weird, doesn't mean it's clever.
21) Accept that George Lucas does deserve respect, regardless of the prequels.
22) Accept, it's okay if you can't use chopsticks.
23) Accept, there is a set point in the future, after your death, when you will be remembered by only a few friends, family, and then forgotten. Forever.
24) Spend more times with your parents, if they're alive, there will come a time, when they will be gone.
25) Argue about politics if you must, but accept that the other person likely won't change their view if you're being a dick. Besides, even from a tactical perspective, being nice is always more likely to persuade someone anyways.
26) Follow cutting edge physics. It is the process of humans to speak Universe.
27) Accept that expensive whiskey is almost always worth the money.
28) Accept that expensive running shoes are almost never worth the money.
29) Avoid the new season of Twin Peaks if you wish to conserve your sanity. Watch it if not.
30) Accept that there is probably no absolute truth that you will grasp in your lifetime.
31) Do not be intimidated by people who use long words. They are likely more insecure about their own intelligence than you are.
32) Before tidying up, make the bed. Suddenly everything will seem easier.
33) Visit the dentist regularly.
34) Read Ray Bradbury. Always.
35) Do not purchase cheap sellotape.
36) Embrace your own eccentricity. What made you a freak as a child, will make you an interesting adult.
37) Learn at least 4 constellations. This is guaranteed to be useful in a romantic setting at some point.
38) Try to eat less salt.
39) Try to eat more vegetables.
40) Try to accept that happiness isn't a constant state, but a chemical reward for hard work.To get more, one has to do more hard work. This applies to careers, relationships, friends.
41) Diet, if you want to, but acknowledge that all diets, however elaborate, are all variations of "Eat less, move more."
42) Keep a journal if you have time. It'll serve as a snapshot of how stupid your life decisions are.
43) Attempt to locate your passions.
44) Prepare for crippling failure.
45) If something terrible happens to you, remember it happened to almost everybody. They got through it, some of them are probably going through it right now, they just don't tell you.
46) Stay away from synthetic weed.
47) Resist the appeal of depressing nihilism. If everything is pointless, we may as well be in a good mood anyway.
48) Grow some kind of novelty facial hair.
49) If you go home with somebody, and they don't have books......Don't fuck them.
50) Spend good money on mattresses.
51) Don't put sugar in someone else's tea, unless they specifically requested to.
52) Ignore all of the previous instructions. Except this.