Am i wrong to over react?

So yesterday wasnt my day. Me & my "fiance" was suppose to do the marriage paper works. But he went to work early cause he got to work late the other day. Which its weird ! He goes late all the time & he would just stay home on the day he has off. Anyways i was mad cause i wanted to do the paper works & ive reminded him & stuffs. We made plans & we kept changing the date to do the paper works cause he "works" all the time & im not mad that he works all the time. Im mad that when it comes to friends & stuffs he'll drop everything in work & help them. I love that hes an hardworking man trust me i do. But the thing is. Moving the date to get married makes me mad. We kept changing it constantly for HIM. BUT HE wants a truck first now. & it upsets me everything bout a TRUCK! Anyways. I cooled down after a while. He came home told me to get ready. I got ready we went to the beach. I know im a jealous type but theyre a few types that doesnt care if someone has a gf or not. So my fiance went body boarding. I was watchingbhim taking pics. I notice the 4 girls was tryanna get closer & just watching my fiance. & was tryanna talk to him. So he wasnt paying attention. I didnt care. But she notice hes with me cause the way i was taking pics of him. She got out the water took off her bathing suit top off & my fiance got off his board & just full on stare at her titts. Naked boobs & all . i started to care cause he was phasing out & licking his lips. I wanted to snap but i couldnt. I held it in. Now he was acting weird when we was getting ready to go home. He was taking forevrr. But i was in the back watching my dogs. So i ask him why was he taking long cause the first trip we both was fast & all he had to grab a boggy board. Now i sat in the front of his work truck cause i already like change in new clothes bathe everything at the beach. But i wanted to take selfies my phone was died i was gonna use his. I open up his phone & twerking aloooooot of twerking. Its gross. It makes me mad that he'll beat me up just breathing by a man. I ask him why was he watching twerking & when. He said "I was watching watching that wtf?" then i said "If you didnt then who did. Dont lie all i want is the truth. & your the only one had the phone not Anyone else. Or one ghost was horny & just went on your phone & watch a whole load of twerking on youtube?. Its funny cause it wasnt here this morning when i was on it." he lied again & called me a fat ugly piece of shit. He was getting mad cause all the lies he saying is right in that phone & him drooling over the girls boobs. & kicked me right in my stomach & said "if you are pregnant hope the baby dies"& says im over reacting!.

Sorry im losing my mind over here & wanna hurt myself i hate my life im fat ugly. I hate myself