The phrase "I want to hold your hand at 80" signifies a vision of still being deeply connected and in love in old age. It implies a wish for lasting companionship and affection.
The statement as a whole emphasizes the idea of looking forward to a future together, where both individuals can reflect on a long and fulfilling journey and say, "We made it." It celebrates the idea of a love that stands the test of time and remains strong and meaningful even in old age.
In essence, this quote captures the essence of a deep and lasting love, highlighting the hope and commitment to growing old together and cherishing a lifetime of memories and shared experiences.