a fly is following me 😫

so im in my house.... i found a fly buzzing around , IM SCARED OF INSECTS AND ALL THAT... So i scream.. and run away in my kitchen and listen it was following me from the moment i heard it and saw it then it followed me back to the living room , THEN i ran upstairs and it followed me up their !!!! Wtf !!!! Im so scared i never had this experience before... does that mean It wants to kill me????? Why do they follow youuuuuuuuu????!!! Im hiding in my room now!!!! Since nobody is here to kill it... Please help me!!!! it might be at my door 😩😩😩😩😩😩😩FUCK FLYS