Here are ten reasons why heaven would be insufferably dull:
The upshot seems to be that heaven would be tolerable only if it were a lot more like the present life. In that case, why bother?
BTW, I notice that Prof. Jerry L. Walls, a leading evangelical writer on the afterlife, has a new book coming out on heaven, hell, and purgatory. Looking at the TOC on Amazon, several pages seem to be a rebuttal to critical remarks by yours truly. I plan to get the book and will respond. Prof. Walls is a gentleman and a scholar and my past exchanges with him have been most pleasant. Perhaps they can continue.