phrase - "the bottom of an abyss so deep and dark" is about as appropriate a description as there is, and i won't add to that, but you should know that your pain and grief - that darkness - is shared by your friends here. i can't speak for everyone from this forum, but i can be pretty sure that most of us will be there with you in spirit for as long as it takes for the light to return.
jeff, i'm so, so sorry to hear of your tragic loss. as previously stated, i also really don't know what to say that can be of any possible comfort in 