The speaker describes a love that has transformed his life. At first, he focuses on how complete and happy he feels with his partner. Later, he explains that he once acted wildly and avoided settling down, but now puts her first and feels more responsible. The repeated chorus makes his gratitude and strong affection feel central.
Several phrases express this change figuratively. Saying she โblind[s]โ him with love suggests that his feelings are overwhelming, not that he has literally lost his sight. โHaving my backโ means supporting someone, while โhelped mold meโ suggests she helped shape his character. Together, these images present love as both intense emotion and steady support.
The song portrays the relationship as deeply positive, even crediting the partner with helping him become a better man. That is the speakerโs perspective; it does not necessarily mean she alone is responsible for his growth. His claim that he knew she was โthe special oneโ from the beginning may express romantic certainty, though it could also be an affectionate way of looking back.