The speaker makes a simple, stubborn promise: to keep someone alive, in memory and perhaps in a more literal sense, for as long as they can. The poem opens with an honest admission. Memories can be preserved, but not everyone can be saved. That small shift from "memories" to "everyone" suggests loss, and the title, with its discarded supermarket flowers, hints at grief or the struggle to let go of something that has stopped being fresh.
What stands out is how plain the language is. There are no elaborate images, just repetition: "I will keep you alive," "Because I can," "Because I love you." The speaker's reasoning is almost childlike in its directness, and that makes it feel sincere rather than polished. Even the admission that this might put them in danger doesn't shake their resolve.
The mood is tender but heavy, a mix of devotion and quiet desperation. It reads like a vow made in the face of something painful, with love as the only reason needed.