I think you can have a person solely as a soul mate--- I have one, a guy , we met as ragged arsed bairns, went on different career paths , kept in touch , see each other perhaps 2/3 times a year.Have hugged together . cried together and laughed a lot over 30 odd years.Do I fancy him -- no , vice versa definitely no. He has been married for a lifetime , I have done that and got the Tee shirt, But we share ideals , hopes and crises, I would lay down my life for this person, and him the same .So yes it is possible.