You can see the appeal of being a slacker. You don’t work, you just sit around like a cool dude and shoot the breeze; you smoke, you drink, you take drugs, er, lots of drugs. You can call people “man”. Hell, you don’t even need to wear your sneakers all day - just kick them off and go barefoot. Only one problem: emotional commitment is a big no, no. American playwright Annie Baker’s new play, which opened at the Bush Theatre last night, takes a long calm look at slackerdom’s highs and lows.

One of the most common genres of contemporary Brit drama is the "me and my mates" play – usually stories about flatsharing twentysomethings. Although, over the past decade, this type of drama has been somewhat overtaken by the return of the family play, you can still spot the genre in new writing venues all over the country. So Penelope Skinner’s new 90-minute piece, which opened last night at the Bush Theatre, is – despite its evocative name (which means the colour seen by the eye in perfect darkness) – at first sight as familiar as an old sofa.

Synaesthesia is a tricky beast. It’s basically a neurological condition which condemns those afflicted with it to a life in which words evoke colours, and emotions can be experienced as colour. Sometimes it is almost playful, with the mere names of the days of the week evoking tonal sensations; at other times it is intensely painful, with the mere glimpse of a buzzy pattern causing dizziness or strong feelings conjuring up great blasts of colour, an unbearable onslaught of confusion and derangement.

Passion, pain and loss: they are companions in life more faithful than many a lover. This duo of solo dramas by Stefan Golaszewski, which opened last night in London after success in Edinburgh, turns its perceptive gaze upon them through the eyes of both eager youth and desolate old age. Poignantly, true emotional maturity remains elusive.

Family life can be bad for your health. Especially if you are an overweight teenager. Take Anna for example. She's 15, a bit on the plump side, and having a rough time. At school, where - horror of horrors - her Mum is a teacher, she's attracted the attention of some bullies. But worse than unwelcome attention is neglect: her Dad is too busy writing a book about saving the planet from climate change to pay much attention to his daughter, or his wife. But help is on its way.