Taste like hash. deep, usually coffee chocolate nutty phenolic notes.
And that time frame is just when it really starts degrading. At that point all or most is decarbed and aroma has developed fully. Thc will begin tp rotate and break down, delta 8 is the first and largest byproduct, cbn also forms to a lesser extent. Cbd is more stable, altering the high to more in the body. Also taking into account cbns binding affinity is some 9 times lower. All of these still have psychoactive proprieties but still degrading and less potent
Hash is also sealed from o2, notice the color difference and the "skin" on the outside