Hooked up with a thick girl from a concert and my small d ruined everything

I was 19, in college, went to a concert alone. Saw this really hot thick girl. We danced, talked, had fun. After like 30 minutes she said let’s leave and get a room. We went to a hotel nearby. Started kissing hard clothes came off. We made out for 15-20 minutes. Then she pulled my pants down. My dick is only about 3 inches when hard. She looked disappointed for a second but didn’t say anything mean. She put a condom on me and got on her knees (doggy style). I tried to put it in but her ass and thighs were so big and thick that it wouldn’t go inside properly. Kept slipping out. We tried a few positions, still didn’t work. She gave up, told me to lie down, gave me a quick handjob so I could finish, then got dressed, said bye and left. Since that day I get nervous about thick girls even though I really like them. My dick just doesn’t work with big asses apparently.