1 Exercise on a Monday night (nothing fun happens on a Monday night).

2 On the fence about a purchase? Wait 72 hours before you buy it.

3 Tip: the quickest supermarket queue is always behind the fullest trolley (greeting, paying and...

5 Consider going down to four days a week. It’s likely a disproportionate amount of your fifth day’s work is taxed anyway, so you’ll lose way less than a fifth of your take-home pay.

6 Everyone has an emotional blind spot when they fight. Work out what you...

9 Keep a bird feeder by a window, ideally the kitchen. It’ll pass the time when you’re washing up.

10 Always bring ice to house parties (there’s never enough).

11 Get the lighting right: turn off the overhead one, turn on lots of la...

17 Don’t be weird about how to stack the dishwasher.

21 Add the milk at least one minute after the tea has brewed.

22 Laugh shamelessly at your own jokes.

23 It might sound obvious, but a pint of water and two paracetamols before bed after a big night avoids a clanger of a hanger.

25 Look closely.

29 Eat meat once a week, max. Ideally less.

30 Be polite to rude strangers – it’s oddly thrilling.

31 Ask questions, and listen to the answers.

32 Connect with nature: stand outside barefoot for a few minutes...

37 If you’re going less than a mile, walk or cycle. About half of car journeys are under two miles, yet these create more pollution than longer journeys as the engine isn’t warmed up yet.

38 Sleep with your phone in a different room (and buy an alarm clock)...

41 Buy a plant. Think you’ll kill it? Buy a fake one.

42 Don’t have Twitter on your phone.

43 If you find an item of clothing you love and are certain you will wear for ever, buy three.

44 Try taking a cold s...

45 Text to say thank you.

49 Buy in person!

53 Learn the basics of repairing your clothes.

54 Always bring something – wine, flowers – to a dinner/birthday party, even if they say not to.

55 Learn the names of 10 trees.

56 Call an old friend out of the...

57 Every so often, search your email for the word “unsubscribe” and then use it on as many as you can.

58 Buy a newspaper. (Ideally this one.)

59 Always have dessert.

60 Drop your shoulders.

61 Make something from scratch. Works best if it’s something you’d normally buy, such as a dress or a bag.

62 Go to bed earlier – but don’t take your phone with you.

63 Volunteer. ​​Go to gov.uk/government/get-involved for ideas.

65 Instead of buying a morning coffee, set up a daily transfer of £2 from a current into a savings account and forget about it. Use it to treat yourself to something different later.

66 Don’t save things for “best”. Wear them – enjoy them.

...

69 Hang your clothes up. Ideally on non-wire hangers (it’s better for them).

70 Skinny-dip with friends.

71 Switch your phone off on holiday (or at least delete your work email app).

72 Always use freshly gro...

73 Thank a teacher who changed your life.

74 Respect your youngers.

75 Keep your keys in the same place.

77 Rent rather than buy a suit/dress for that forthcoming wedding (even if it’s your own).

78 Always book an extra day off after a holiday.

79 Ignore the algorithm – listen to music outside your usual taste.

80

81 Learn a TikTok dance (but don’t post it on TikTok).

82 Cook something you’ve never attempted before.

83 Join a local litter-picking group.

84 Handwash that thing you’ve never cleaned.

85 Don’t get a pet/do get a pet.

86 Nap.

87 Learn how to breathe deeply: in through the nose, out through the mouth, making the exhale longer than the inhale.

88 Buy a bike and use it. Learn how to fix it, to...

89 Politely decline invitations if you don’t want to go.

90 If you do go, have an exit strategy (can we recommend a French exit, where you slip out unseen).

91 If in doubt, add cheese.

92 Don’t look at your p...

93 Do that one thing you’ve been putting off.

94 Give compliments widely and freely.

95 Set up an affordable standing order to a charity.

97 Listen to the albums you loved as a teenager.

98 Make a friend from a different generation.

99 Staying over at a friend’s place? Strip the bed in the morning.

100 For instant cheer, wear yellow.