Reference to the bible and the story of Adam & Eve in the book of Genesis. In the story the serpent (snake) tricked Eve into getting both her and Adam to eat from the tree of good and evil.

He feels bad for trying to conceal his true love for her.

Murs is playing games. He thought that cheating would make her upset, and mad but instead she did the exact opposite and acted like everything was fine. This in turn made Murs feel worse because it was unexpected and made him look foolish.

This line relates back to the second line where he describes her as being ATL. In the south shorty or shawty and yall are two different forms of slang said in the south.

Similar to the previous line in the fact that he uses another form or media, movies to describe their personalities.

Boyz in tha Hood was a popular movie from the early 90s that depicted the life of the average African American male in California.

ATL was a popular movie from 2006 which casted T.I. and co star Lauren London. The movie depicts the life of a adult teenager and his love interest on the verge of adulthood in the south.

Two popular tv sitcoms that aired from 1989-1993.

If you point your index finger and thumb out it creates an L.

This is a smarter line which deserves more than a 1-word annotation. He takes the word mainSTREAM, and paints a picture where the mainSTREAM is a STREAM of water. Substantial, who’s diving under the surface will see underwater wildlife and treasures, which the people who float on top will miss. Notice how they both are still in/on the mainstream of water though. The same, but Substantial has a different perspective on it.

Rappers show off their jewels, but Sub puts out songs that are hidden treasures, like this very track for example.

This is a play on words. In a fraction, there is a numerator and denominator. The numerator is the number on top while the denominator is the number on bottom—hence ½.