This statement beautifully contrasts the ephemeral nature of many things in the world with the enduring and timeless quality of the emotions that the person addressing someone feels for them. It suggests that amidst all the temporary experiences and possessions in life, the emotions and feelings they have for this person are constant and everlasting.
The phrase "perpetual feeling" conveys a sense of eternity and unchanging love. It implies that their emotions are not subject to the passing of time or external circumstances but remain steadfast and enduring.
Overall, this statement celebrates the depth and longevity of their emotions, emphasizing that the person they're addressing holds a unique and eternal place in their heart.