A little help

I've noticed a trend in some of my smokes. Seems like the first half burns fine then it wants to go out on me. I relight one or two times and then generally it's fine from there. Whats up?? If they were too "wet" I wouldn't think they would burn the first half well either. And I don't change how I'm smoking them either i.e fast or slow. Any ideas ? Maybe I need to dry box them for half a day or so before smoking??