An absurdly funny self-help parody! If Ignatius Reilly (from A Confederacy of Dunces) and Ron Swanson (from Parks and Recreation) got together and co-wrote a satirical guide to relationships and self-improvement, it would be something like this hilarious book by Ronnie Champ.
Letters from a Nut, by Ted L. Nancy;
A Confederacy of Dunces;
Stephen Colbert's I Am America and So Can You.