Torn vagina

I was hanging out with a guy and things started heating up and I was a little nervous because I hadn't had sex in like over 8 months. I have 2 relatively slim dildos but even they are too big for my vagina sometimes. Anyway when he's about to thrust in, I look down and start to panic. He's not super long but he's almost as big around as a soda can! So I tell him to go slow and he does but that hurts so much. It's not like there was no foreplay because believe me there was😜😜😜 but he was just so big. So I said just go really fast like ripping off a bandaid. So he did and I felt this sharp pain and I was gonna tell him to stop because it hurt like a mofo but he was moving and it started to feel really good and then super great!! But after when I got home and went to the bathroom I found about a quarter sized puddle of blood in my underwear. Granted I'm not a virgin so I was a little weirded out but brushed it off. But peeing was a totally different story and the sharp pain was back but it didn't go away. I found a tear right inside my vagina and I'm not really sure how to handle it. Do I put a cream on it? Will it get infected? There's still small spots of blood even tho this happened a few days ago.

I straight up told he we weren't having sex for a little bit until I got this taken care of and he's understanding about it and I think he feels bad even tho I told him it wasn't really his fault. I just don't know what to do