He eventually decided to leave her and when he was homeless he was thinking how fast life was going, just yesterday he was a kid and now he’s on the streets.

The sleeping in class bit can also be a reference to ‘the good life’ he used to have, because after all isn’t life grand when you’re young? You have a home, parents and etc to care for you, but now he had nothing

He knows that if things do get resolved that the relationship will eventually just end again or they’ll have more problems

Maybe things got serious between him and his girlfriend and they moved in together, he was contemplating on leaving her

Then when he defended himself or start talking as well she attacked him, so hit him or scratch or whatever girls do

Because of what Jay has been through when he was young he doesn’t say much when there’s problems

These child like fights aka keep on pointing fingers on who was wrong, not resolving things like adults, sitting down and discussing the problem properly

Here he’s referring to the term ‘unconditional love’ where a mother loves their children regardless of their actions, faults etc.

Court of universal law is in destiny, faith, it wasn’t meant to be

Jay lived in the Magnolia projects which is infamous for it’s large rate of violence and crime rate. Snitching is considered a bad thing, so if you saw something it’s better to keep your mouth closed. Also, due to the crime there it was wise to just lock your house up