Yup, very necessary and 99% of us are programmed for companionship. Just pulls you.
When I look at society and the relationships I see in it no. But one on one with an individual is different. You never know. With the way our generation is, it's harder to know whose trustworthy and not deceiving you to the fullest. I don't date but I see it happen every day.
I am a rock. I am an island.