But it’s about how the excitement of meth, like that of a new relationship, fades and leaves the speaker wanting something more substantial while still fondly reminiscing about the good times.
The speaker thinks of the girl as a “sunburn” he “would like to save.” He describes meth as something that “will lift you up until you break.” I think these characterizations point very strongly toward nostalgic longing and away from the glorification of addiction or even that of drug use. So no reason to feel weird I think.
I think it’s a cool concept. I like the looks of it.