How would I go about getting a sex spirit?

I've read up recently that you can get a spirit that will have sex with you and have no real drawbacks other than you will become non interested in other humans for sex. How would I go about getting one? I don't want anything that would cause damage to me like a succubus.How would I go about getting a sex spirit?That doesn't happen, sorry.How would I go about getting a sex spirit?You may want to stop watching ghost and pass the third grade before you post here againHow would I go about getting a sex spirit?You must be REALLY desparate...