Acting like a granola bar

In essence, when one is acting like a granola bar, it means that they are acting in an unstable and unprecedented manner, that it evokes concern to all individuals nearby. Like Nature Valley Granola Bars, which tend to disintegrate easily. If an individual's mental health and overall lifestyle is showing signs of decline and instability, one could say that they are acting like a granola bar. In closure, to act like a granola bar means that you are fucking Wilding and acting crazy asf.

Person 1 background: recently lost their job, about to be evicted, has gotten numerous restraining orders in the last few days, hasn't taken care of their hygiene in a long ass time, and is doing black tar heroin on the double.
"Hey bro, you see that thicc ass Boulder near the highway?"
Person 2: "yeah what about it?"
Person 1: " yo we should like totally drive full speed towards it, it would be like so poggers lol"
Person 2:" imma be real with you, you have been acting like a granola bar recently, I think we should have an intervention"