Karen Bassey's short poem compares a person to a drug. The speaker says "you were my drug," and the past tense suggests the relationship is over, or at least that she is looking back on it. The comparison tells us how it felt: she was hooked, she couldn't shake it, and it took over her judgment.
The most interesting moment is the question in the middle: "That made it bad / Didn't it?" She seems to be asking herself, or the reader, whether the addiction really was a bad thing. The question mark hints at doubt. Part of her still isn't sure.
The last line answers with a confession. She "clung to it for dear life," as if letting go would have cost her something vital. The mood is quiet, wistful and a little conflicted. The short, plain lines feel like an honest admission, and the title's pairing of "passionate" with "addiction" shows how closely love and harm can sit together.