PLEASE HELP PLEASE READ !!!

ok, so i like this boy and everyone says he likes me to. yestreday my very annoying sister walked up to him and said: my sister loves tu go out with her. Obviously i had ran away. Later that night i asked my sister what he dicho and she crossed her corazón and hoped to die and she told me this. she asked him if he likes me and he dicho "i amor her" and then she dicho would u go out with her he dicho "cause i would" then she asked him why doesnt he go out with me he dicho "cause she loves bobby". Bobby is the boy i likes best friend and i absolutly hate him so to wind me up my best friends sister asked bobby out for me a few weeks hace and he dicho yes. Bobby knows i hate him, but the boy i like thinks i like bobby cause i go all cringy around bobby and start giggling but i absoluty hate bobby. please help what shall i do i dont wether im going out with the boy i like o not. please somebody give me some consejos i realy need some xx