Im kind of down, i need inpiring stories please!?

my horse was absolutely perfect when i bought her, but things are falling apart now. shes getting this attitude and she ran away with my trainer. please help cheer me up. my trainer wants me to sell her (ive only had her for about 4 and a half months) but im way too in love with her, even if she is misbehaving. i know thats not who she is.