• Self-perception: when we're in close relationships, we tend to include our partners in our identity ( we may see them as part of ourselves).
• Self-esteem boost: displaying our relationships status makes us feel good about ourselves.
• Social protection: w...

Certain people are more likely to use romantic status displays than others:

Posting couple photos and other related social media displays influences other people to see the profile owner as more likable and as more likely to be in a satisfying and committed relationship.