Is It Wrong? - A Relationship for Relationshipsake

Is it wrong to be in a relationship just because you don't want to be alone? That seems like a logical no answer but many of us do it. Why do we feel the need to be with someone even if its unhealthy? Even if we know we're not ready? Even if we know that we're not right for each other, wanna kill each other?

What is it about being in a relationship that we go from rational people to irrational, lovesick puppies?

So is it wrong?