According to robert sternberg, when two people enjoy each other's company and their relationship but no longer feel much sexual interest for the other, their relationship is called

Companionate love              

Explanation:

One of the famous psychologist named Robert Sternberg has given his theory of love that describe different types of love which are based on three different scales including passion, intimacy, and commitment.

Companionate love: Also referred to as friendship-based love, attachment, or affectionate love. The companionate love is characterized as a love which is durable, slow in developing love, feelings of intimacy, affection, commitment, and interdependence.

According to him, any relationship of love which is being based on a single element is considered to be as less likely to work out or survive rather than the relationship which is based on more than one element.

dude you should crop your image so only the question shows. but   can you explain it better