I Feel Bad That I Cheated But Found Something Out

Hi, I'm a 35 year old married female and have been married for 10 years. My husband has a small penis about 6" we have great sex and I orgasm easily when he eats me or uses a vibe on my clitoris. I have never cheated on him till one evening I was out alone and stopped at a bar for a few drinks, I guess the alcohol went to my head and I started having a conversation with a man at the bar, one thing lead to another and we were in a motel we were kissing and touching each other and were naked in minutes he penis was very large about 8" and very fat after a lot of oral he entered me the feeling was so exciting he only made about 3 or 4 pumps and I had a different type of orgasm there was no clitoris stimulation at all it was a vaginal orgasm only one that I ever had and was great feeling. After another 2 orgasms I let him finish in my mouth. I cleaned up and went home I felt bad but didn't say anything. I don't think I'll do this again because I'm in love with my husband and he doesn't deserve this