The song is "What are you doing the rest of your life" performed by Dusty Springfield.

What am I going to be doing for the rest of your life? Why, I'll be thinking of a way to get rid of you for asking such a stupid, corny question, of course.

making songs

A holiday for the rest of your life; so if you retired from teaching, you could go on a lifetime vacation and buy a house on a beach and sunbathe and chill for the rest of your life. Really just doing no work for the rest of your life.

I need the answer too. But, he is probably enjoying the rest of his life with his wife.