Contextual Analysis of "for the rest of my life" in Lyrics

imma be loving you

i be loving you

i reach my hands out to the sky

i'll be climbing for the rest of my life

wonderful is your name

i'll serve him

wonderful is your name

i'll serve him

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my life

i wanna stay with you

i wanna live with you

you

for the rest of yours

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and i never felt this way before

and when and how and why'd you have to go so far

am i gonna be lonely for the rest of my life

oh

for the rest of my life you know i wanna be yours

guaranteeing that you'll always be mine. let me tell you

and the rest of my days and nights belong to you. you can believe that there ain't nothing in this world that i'd rather do. now and forever my heart belongs to you. now and forever

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darling