Dream about rotten fingernails is unfortunately a warning alert for lost or missed opportunities. You are not letting the negativity get to you. You have paved and laid out a firm path toward your life goals. This dream is loneliness, neglect, or sadness. There is some aspect of yourself that you are desperately trying to rid yourself of.
Rotten fingernails dream points to the steps and processes that need to be completed in order to produce a desired outcome. You may be lacking inspiration and need some new motivation in life. You are dwelling too much on trivial matters, causing your attention to be diverted from important issues. This dream is a warning signal for your hopes, desires and secrets. You are experiencing some sort of guilt.
If you dreamt about rotten fingernails:
In fact, if you are looking for a new relationship, then the more jokes and anecdotes you have up your sleeve the better, but preferably no rude ones. If you can rustle up the occasional metaphysical quip, topped off by a few pieces of scintillating and wise conversation, you could be very successful.