Follow the susurration ..
I won't usually accept a facebook friend request unless I know the sender, but I will try to reply to any messages received (however incoherent).
.. Or perhaps we met at a gig - some sort of thrilling, multi-sensory extravaganza, was it? - on one of those few occasions when I have left my hermetically sealed home to go in search of an unsuspecting audience. If so, a gently whispered reminder may help me to retrieve the relevant conversational fragment from the 'wow and flutter' of recollections.
