Plz help ME!!!!!!!!!!!?

I have so bad OCD. Its so irrational and i am so annoyed. For example if i wana eat some bread i think that if i do my dog will die. Or if i walk past a lantern i willl get d. So i am really worried now, because I went home with a guy, ( i dont know why) and he pressured me into having . He held my arms dwon and when i told him to let go he did. So was that or not? I feel like my OCD was right, because i did walk past the lanternss and then i got d. Is that just coincidence? PLZ tell me if my thoughts can influence reality. I feel like dying. :(