Sage has trapped his lover in this song like a scientist trapping a mouse. Alas, she has escaped.
Also probably setting up the age-old brains-vs.-feelings argument in that Sage, being the scientist, is thinking too much and feeling too little for the relationship to work.
Suggestions
156
“Clouds are at war” could mean storm clouds, with the “war” implying lightning. The next line, referencing “the shower, the storm” supports this, along with the sample of thunder towards the end of the verse.