How can I stop arguing with my fiance for the silliest things everyday?

Anonymous
Hey guys, I have been arguing with my fiance every single day for the silliest things. yesterday we were fine until he told me he would send me money to get dinner. i blew up. i blew up because he told me earlier than he needed money because i used his card on amazon $50 worth of stuff. so i sent it to him but i canceled the orders so the money can go back to his account. he told me he will send it back to me when they money returns to his account. he is the kind of person that will barely give money back to me if he borrowed. so when he said he will send me money for food, i blew up because he told me he didn’t have anything money. i know so dumb. I don't know what is it, I don't know why i easily blow up for the dumbest of things. i always feel so bad the next day. i feel like one day he will give up on me. i want to change so badly, but I don't know what i can do to stop arguing over the dumbest things. i also argue with him when i feel like he chooses his friends over me. which i think he doesn’t. when he gets out of work he will go hangout with his friends until i get home from work and showered. however when i call him and tell him im ready he will tell me oh give me 30 more mins and to me its so frustrating. he will want to hangout like around 8-9pm i know its not the late, but i go to sleep early because of work and he loves to stay up late when we are together. i also feel like im jealous of when he hangout with his friends because i feel like he has a better time with them more than me. this could all be mental or it’s something more deep rooted. i also want to add that if im not working im home. i legit have no friends. the friends i did have we just grew apart this year. so my fiance, other than my sister, is the only person i hangout with. so when he hangs out with his friends and want to spend more time with them when im ready is frustrating to me. anyone please tell me how i can stop arguing with him? or please anyone give me advice.
Updates
4 mo
i forgot to mention that he really is a sweet guy. he is so kind and caring and loves to help people and loves to be around people. he always wants the best for people. when i’m not arguing with him, we do have the best time. no i don’t mean we are having sex, i mean we are just together, laughing, talking or watching a movie.
How can I stop arguing with my fiance for the silliest things everyday?
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