The Sandbox (1959) is another play by Albee that deals with conflicts within a tense marriage.

Happy Days (1961) is a play by Samuel Beckett about a couple whose relationship problems are similar to those of Nancy and Charlie.

Landscape (1967) is a play by Harold Pinter, which consists of two monologues by a couple with relationship problems. An undercurrent of the play is a desire to retreat from life.

All Over (1971) is a play by Albee, which he described as a complement to Seascape.

Breaking the Watch: The Meaning of Retirement in America (2000) is a nonfiction book that discusses aspects of retirement, including how it affects the retiree and his or her relationships.