This is particularly relevant as people get older.

Bodies change.

Flexibility changes.

Muscles become tighter.

Certain positions that once felt effortless may become less comfortable.

A partner may therefore develop a preference based primarily on physical comfort.

That reason can be much less complicated than people imagine.

5. It Could Be a Habit

Sexual preferences can become habitual.

If someone has repeatedly experienced pleasure in a particular position, the brain can begin associating that position with positive anticipation.

Eventually, the preference can become automatic.

There may be no conscious decision at all.

The couple begins having sex.

One position feels familiar.

It works.

Both people know how to move comfortably.

And they naturally return to it.

This doesn’t necessarily mean the relationship is boring.

It may simply mean the couple has found a routine that feels safe and enjoyable.

6. Familiarity Can Create a Sense of Security

Sexual intimacy can involve vulnerability.