We’ve reached the beginning of May. The weather’s warmer, and leaves have arrived on the trees: on the cherry trees first, green and brown ovals nestling in among pink blossoms just ready to fall, then on the horse chestnuts, tiny little tents of green that grow bigger, and unclench, like opening hands. The linden tree outside our balcony is always slower to turn green: as I write the leaves are unfolding, but are not much bigger than the size