I'm moved by your usual mind and unbelievable optimism, which are necessary for you to fight against the extremely rare persistent ailment.
"everything in life is temporary.so if things are going good, enjoy it cause it won't last forever. and if things are going bad, don't worry cause it won't last neither." said Sage Eagle.
but since your abnormal listening symptoms may not be temporary, please go to Doctor Passward for further helps.
btw, I'm glad you enjoy listening to bird-calls.