What age do you truly stop having the desire to have a life partner?

Is there any age when it’s gets wayy easier to be just single and not have a partner. I am sure it’s very difficult to be single in your 30s but somehow you survive being single in your 30’s do you lose the desire of having a life partner in your 40’s? Singles that are in their 40’s 50’s 60’s could answer this more accurately…