Maybe try Foras, for his ability to Fascinate the Jaded, and also Understand a Loved One.
Fascinate the jaded. If somebody has become bored by you or feels you are no longer as exciting or interesting as you once were, this power can give you an air of mysterious excitement that will make you fascinating. A friend, lover, or even a business partner, will once again be intrigued and attracted to your presence and your thoughts.
– Hargrove, Corwin. Goetia Pathworking: Magickal Results from The 72 Demons (Magick of Darkness and Light) (p. 100). Kindle Edition.
Also see the collection of ideas for love magick here, which includes a list of what the Goetia entities can do. If you read that through you’d probably get some inspiration that suits you.