The phrase "a relationship partner" is correct and usable in written English.
It can be used when referring to someone with whom one is in a romantic or significant relationship.
Example: "She introduced him as her relationship partner during the family gathering."
Alternatives: "romantic partner" or "significant other".
Such requirements are clearly understood by Steve Fraser, a relationship partner at accountant Monahans.
Sex with a relationship partner is twice as common as sex from a casual hook up.
But many people who are politically very liberal or middle of the road would say simply they want a relationship partner who is someone with character, values, integrity.
Step-by-step guidelines for how to talk about sensitive topics with a relationship partner are featured in my book, Marriage Meetings for Lasting Love: 30 Minutes a Week to the Marriage You've Always Wanted.
"Having more time to get acquainted may allow other factors, such as another person's compatibility as a relationship partner, to make that person appealing in ways that outshine more easily observable characteristics such as physical attractiveness".
Perceived responsiveness refers to individuals' perceptions that a relationship partner has attended to and reacted supportively to them (Reis, Clark & Holmes, 2004) and has been consistently related to liking (Davis & Perkowitz, 1979; Miller & Berg, 1984; Reis, Maniaci, Caprariello, Eastwick, & Finkel, 2011).
In a relationship, partners make and commit to a long series of decisions.
Consider this: during the good times in a relationship, partners often share phone and social media passcodes, details on daily routines and even keys to their apartments.
Relationship status was recorded with the question "Do you currently live with a long-term romantic relationship partner (such as a spouse)?", response choices were "yes" or "no".
Regarding personal and sexual relationships, 98% had an important personal relationship (partner) and 84% were effectively sexually active; following diagnosis and various treatments of breast cancer.
In a healthy relationship, partners work together to find a decision that can make them both happy, and take turns "giving in" to each other.
