Most guys in here will be able to elaborate, but to my knowledge, its all about the oils in the tobacco "marrying" to become smoother. I am sure there are other reasons and I've heard most say that different sticks are better when aged different lengths of time. It is most noticeable to me when you compare ROTT to something that has been in the humi for a few months. Anyway, hope this helps!
It's true. I can't tell you why it is but, I have had Cigars that were soooo much better with some age ( anywhere from 6 mos to 4 years). It is possible to have "too much" age on them as well. In that case (for me) it's like smoking warm air (not much, if any, flavor at all). They must be "aged properly" too. You can't just put them away. You have to make sure they are cared for.
I know that there are considered to be different stages of aging, 1st 2nd and 3rd, after which the cigar is basically considered "dead". How long these stages take depends on storage conditions, temp & humidity etc. I believe that carefully cared for it is possible to age for several decades. The longest I've ever done was about 9 or 10 years, which was accidental. Produced a very different cigar. The original was very peppery and strong, 10 years later was very mellow. I think if you search through some of the older threads there is more ( and probably better ) information on this.
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