my names sapphire

hi i'm sapphire. My mam is a vampire and my dad is a werewolf or rather the alpha there mates they told me when i was 16 i haven't found my mate yet. I'm 19. My little sister olivia has a mate she's 16. But if i find my mate there going to be so upset with me there going to give the alpha role to my sister. I'm gay.The alpha role is a luna and an alpha not like me. I'm alone and always will be.