I'm so confused why did he get mad at me?

Anonymous
boyfriend asked me to go to jack in the box drive through. It was 10pm and he was going to take his dads truck to move it but then he said he didn't want to move seat. So I had to get in my car but car parked in front of me was close. I carefully reversed slowly looking at my rear view mirror and was about to brake to go forward and pull out but suddenly he exaggerates and shouts "OH MY GOD! STOP! STOP!" he even had his hands up. I looked at him confused and he said "you almost hit my dads truck!" I said "no i was watching my mirror I see how close I was" he said "No! You had a small amount!"
I said "okay!" My eyes started to water. Then he says "why are you crying?". I didn't have tears running down but I was pulling out then when I turn around he went back in house and took his own car and left me. Then I texted him asking why did he get upset I didn't hit the truck.
And he just ignored my text. Then when he got home he slammed his door. Like what the fuck man I didn't do shit wrong and he made me feel like shit
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+1 y
I feel so frustrated and want to go outside for a walk but its late outside
I'm so confused why did he get mad at me?
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