It is a LAUGH!
You will never rest until you have tried a 'real' cock. That's just the way it is! Don't try to change human nature.
A bigger dick will reach deeper rubbing your cervix which WILL get you off EVERY time.
Since you are in the cuckold forum, you have obviously thought about fucking another guy or guys. You should let him know that you need to try out a bigger dick and he should find you one. He should be able to describe the 'new guy's' dick in detail so you know he actually knows what he's talking about.
I had the exact thing happen with a guy I knew in Los Angeles. We were both members at the YMCA and he saw me in the shower a couple of days a week. I had never noticed him before.
One day, he came up to me very embarassed and asked if I would come to a party he was having at his house. He gave me a good pitch and I did go. I met his wife who did look unusually eager...if you know what I mean...LOL.
After the party, I got her in bed. She told me that her hubby was insufficient (down there) and he wanted her to experience a "big" dick. She said he had seen me naked several times and I was single so he recommended trying to get us together.
Unbeknownst to me, she had him wait outside the bedroom listening to us fuck. She was hot and loud. She kept saying...OH GOD....YOU FEEL SOOOOOOO GOOOOOD!
She really did put on a sound show for him!
I thought it would be VERY erotic to let him watch so she let him in.
She performed even better with him there watching. She fucked and sucked like a woman posessed! We kept up the relationship up for over a year. She just wanted a bigger dick to make her feel her entire vagina.
By the way, I did have him perform oral on me as well. She LOVED watching his head bob up and down on my slippery, stiff dick.