Here, a speaker talks directly to one person who has become their safe place. "Comfort zone" and "the only one I trust" show how much weight this relationship carries. The late-night talks at 2 and 3 am suggest closeness without pressure: the two of them laugh and share thoughts when everyone else is asleep. Calling childhood "a crash" hints that the past was messy or painful, and that this bond helps the speaker look back on it with humor rather than hurt.
The second stanza turns to a metaphor. If life is a book, this person is "the important chapter." The flower image is a little puzzling, but it seems to say that when red roses, often linked to passion, change colour, what remains are lilies. That could point to something gentler and more lasting than a fleeting romance. The mood is warm, intimate and grateful, with a quiet sense that this person matters deeply, whatever the exact label for the relationship.