He's saying 'You are the woman in my life'.
Who can reply but you? You may feel flattered/excited/embarrassed/indifferent etc., all of which would produce a different answer. Which, if given, could be translated into Spanish if you wish. But you'd have to specify first.
La Vida de una mujer was created in 1951.
La Mujer de mi vida was created in 2001.
Es usted la luz de mi vida.Son la luz de mi vida.eres la luz de mi vidasois la luz de mi vidaDe mi vida la luz es ustedDe mi vida la luz son ustedesDe mi vida la luz eres tú / sois vosotros, asUsted la luz de la vida mía esUstedes la luz de la vida mía sonLa luz de la vida mía eres (tú)La luz de la vida mía sois (vosotros, as)There are some other possible ways, but the ones above are enough
Loosely interpreted, "la mujer" means "the woman" and "de mi vida" means "of my life."
Usted es la mujer más hermosa del mundo(Tú) eres la mujer más hermosa del mundoOmmit "tú", it sounds too annoying. Use it as emphasis.Tu eres la mas hermosa mujer en todo el mundo.
La mujer de mi vida - 2001 is rated/received certificates of: Spain:13
Sophie, eres el amor de mi vida.
Eres el hombre de mi vida.Es usted el hombre de mi vida.
ERES EL AMOR DE MI VIDA "You are the love of my life"
"Tu eres la única persona de mi vida" means 'You're the only person in my life'.
La mujer de mi vida - 1998 1-1 was released on: USA: 1998
Tu eres la mujer mas maravillosa de todo el mundo.