Have you ever tried anal with Vaseline?

I was 20 my gf was 18 when we had anal sex. We were partying at her dorm and getting turned on kissing. Her roommate was already screwing her bf in the bedroom so we got the living room and a sleeping bag. My gf really wanted to fuck but was on her period and refused to take your her tampon. Both of us nervously suggested anal entry. Even though we both were anal virgins. My gf agreed and went to the bathroom to retrieve her makeup removal Vaseline. I greased us up and we slipped in the sleeping bag with my gf butt up on the bottom. She was relaxed from a few beers but was willingly ready. My cock is seven inches but not thick but my cockhead is cut and bigger than the shaft perfect for anal. It was a three bedroom down and every bedroom couples were fucking. I didn’t care about my gf’s cries because sounds of passion was coming from the other rooms. My gf cried out losing her anal virginity when I slowly went in balls deep but her anus was loose enough not to cause too much pain. Both of us were excited and after a few minutes of in and out I flooded her colon with come. Needless to say she didn’t want me to go again that night. The next day she told me pridefully her ass was dripping come all day long. That was the early 70’s when dildos were not available but I know now if she had a strapon my ass would have been fucked as well. She loved humping my ass rubbing her clit on my pubic bone to get off especially on her period. It actually felt like she was fucking my ass. I had to lay under her and push my ass upwards to apply pressure until she came. I felt quite used. Truthfully looking back I wish she had a strapon dildo and I would have been fucked once a month when she was on her period. She was a woman’s libber for equality demanding I eat her pussy every day for her pleasure. Dildo sex would have been the next step.