u/Allfather1234

So i have a platonic relationship with someone i feel very emotional attached but the last week i have been overthinking and all that fun stuff like i have the feeling i do stuff wrong and gonna lose the person also the person told me that gonna have a date on the 6of june and i have also those feelings but i am just so scares of losing the first person who makes me feel wanted i know it not been the first but i also have a feeling if she dates i am gonna split because i dont see the point then what is the best way to handel this i have tried talking and all that stuff but i am also scared of rejaction