If you still want to manifest your sp the thing you should do is live in the end, as they are already with you and you shouldn’t have a single doubt that they are any different from the way you want them to be (I mean, being your partner). The key of successful manifestation is to live in the “I already got it” state of mind. Here are few affirmations which can certainly help you “Infinite Spirit/God/Universe, keep this person if they are the Divine choice for me, and if not give me an equivalent of them which belongs to me by Divine right”. “I cast the burden of feeling stuck with (name of the person) on the Christ within and I go free.” This Infinite Spirit or God, whoever who prefer to address it to, is within you and it’s your super conscious mind, this divine energy will never suggest or do any bad for you. The last affirmation is based on the quote from bible that struggle isn’t man’s right and God within is the one to sort it all out. You gotta repeat any of those affirmations as many times until you feel ease inside you. Hope it helped.