Question regarding results of evocation

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hello i am a fairly new satanist about almost over a year now i summoned gremory and uvall (ewe-val) to ask them to give back my ex girlfriend and have her be loyal to me and to love me and only me i know this sounds immature but i got the exact oppisite of what i asked for from both demons i believe i got kicked out and she is still single and mingling this is bothering me alot as i know that satan stands for love any thoughts would be helpful and appreciated