Edgar and Esther have been married for almost 50 years. Through it all, they have remained committed to each other and have been as close as two people can be. Over the years, the passion has waned but they still stayed together. Sternberg would call this type of love .

Companionate

Explanation: Companionate love could be explained as a relationship or love affair which exists between married partners who have been stayed together for a very long time. This type of relationship or togetherness is usually kept alive due to the intimacy created by the length of their being together (usually very long). Because over time, the passion and affection seems to have declined but the commitment and intimacy keeps them together as companions.

Companionate love highlights the type of relationship between Edgar and Esther which is intimate but non-passionate after it has spanned for almost 50 years.