As Shot Glass Theatre enjoys its fifteen month anniversary co-founder Joseph Nawaz and I sit back and toast our success with supermarket own-brand prosecco. The acid reflux is fiery! Our sleeping partner, Infinite Jest’s Graeme Watson, cannot make it. Graeme is one of the soundest people I know and certainly the soundest sleeper. We chuckle indulgently to each other, Joe and I, marvelling at the long strange trip it’s been and what an odd thing it is to do: we invent people, make them say things and other people, pretending to be the people we’ve invented, say the things we’ve…