The quote expresses a deep and evolving love that intensifies with each passing moment. The speaker acknowledges the fear that comes with such strong feelings, emphasizing the vulnerability that accompanies love. Despite the fear, their love remains steadfast and unwavering, suggesting a strong commitment to the relationship.
The declaration also highlights the idea of timelessness in love, suggesting that this affectionate bond will endure not just in the present but into the future as well. The speaker's certainty about loving the other person yesterday, today, and for countless tomorrows conveys both devotion and reassurance.