"All my life" by Sarah Broom

So we sat, and the waves
crashed in like gifts, or insults,
and the children played,
digging trenches to defend
against the sea, and then a head
bobbed up and down
in the waves, a bit too far out,
and an arm waved, and again,
and a friend walked the beach,
waving the head in, and we sat
and said to each other
do you know that Stevie Smith
poem, not waving but drowning �
yes, and why is it still