爱你

love you

永远

forever; always; ever; eternally; perpetually; permanently; evermore; eternal; timeless; everlasting; undying; perpetual; immortal; ageless; for good; for keeps; in perpetuity; for all time; from everlasting to everlasting; eternity; perpetuity

不变

unchanged; unchanging; stable; fixed; constant; permanent; invariant; immutable; invariable; unaltered; invariably; constantly