tears in heaven lyrics meaning

He understands that he has to return to reality ("I must be strong and carry on cause I know I don't belong", "I'll find my way through night and day cause I know I just can't stay"), and understands that he'll have to live through years of grief ("time can bring you down, time can bend your knees, time can break your heart, leave you begging . taylor swift enchanted meaning . candy lyrics robbie williams