Maintaining The Spark in Long Term Relationship

What you need to know to keep a long term relationship.References:

1. Maintaining Sexual Desire in Long-Term Relationships: A Systematic Review and Conceptual Model. 2018. https://www.tandfonline.com/doi/pdf/10.1080/00224499.2018.1437592?casa_token=KRoSKMg_gsAAAAAA:lCIc8vYUfMiVCc-Rqyg1SrKXqDmxkrW9Fm5CmAvqqcjNBztFfg-BseTFmCJCSrpACB2BVVFKbzrR