Marking your cards for some time well spent, The Comfort Zone's Colm Tóibín suggests spending (quite a few) minutes with The Met's latest production of Tristran und Isolde (screening in select Irish cinemas this weekend); artist Rónán Ó Raghallaigh offers Carlo Ginsberg's The Cheese and The Worms; and Luke Clancy counters the two series of Lucia Keskin's sitcom, Things You Should have Done.