Am i the only one??

hi im 28 and for as long as i can remember i get orgasms wen im not even doing anything sexual or even watching anything which could turn me on this only happens wen say im watching bizzar er and seeing someone being cut open or stitched up my virgina starts to contract and throb like the beging of a orgasm but this isnt like turning me on just my virgina seems to like it but sometimes its gets to much why does it do this,pleaseeeee help