Why They Treat Me Like This?

My First Ex Is Named Dino & I Liked Him Alot, He & I Like Each Other But Three Days Later He Left Me For a Other Girl & It Broked My Heart, a Week After He Starts Calling Me a Freak & a Loser & I Never Forget That Because He Hurted Me Then I Dated Chris But He Didn't Seem To Care if Im Okay atau Not & Sometimes I Felt Like Im Used For Online Sex Then I Left Him & I Dated Kenny, Kenny Has Depression & He Didnt Want To Be Happy With Me At All, So I Left Him Since He Broke My hati, tengah-tengah sejak Pushing Me Away, Then I Start Dating Austyn, He Was a Real Nice Guy To me But a bulan After He Left Me Without Sending Me Emails atau Coming To See Anymore, Then I Met Sam, I Had online Sex With Him Right After I Broke Up With My Ex Boyfriend Who Treated Me & My Friends Like Shit But Sam Starts To Treat Me Like Shit Now But We Started Not Talking Now Because He Was Using Me For Sex & Idk Why they Treat Me Like This Help me Please :'(