The speaker starts with a bold claim: death has never frightened them. But the next line turns that around. Since meeting this person, they have become more careful with their life. The poem doesn't say love made them fearful exactly. It suggests that now they have something worth protecting, so staying alive suddenly matters.
The middle lines are simple and direct. The speaker says the other person makes them feel alive and gives them a "rush" they had been searching for. That word suggests excitement, even a little risk, which is interesting next to the new caution. The speaker seems to be feeling two things at once: thrill and tenderness.
The poem ends on a question rather than a statement: "Is this what real love is?" That leaves the speaker sounding honest and a bit unsure, as if they are still working out what is happening to them. The mood is warm, hopeful, and quietly surprised, like someone realizing their whole outlook has shifted.