What I like about all three of those positions is how versatile they can be. You can turn the same concept into a lot of different possibilities! Like for example, I like the missionary position the best but doing it the same way every time would definitely get boring, but all you have to do to fix that problem is spice the position up a little. I usually look on the internet for different ideas. My boyfriend likes girl on top the best and you can find a lot of alternative versions to that as well. I just love that even though we like to stick with two basic positions, things don't get boring because there's so many different possibilities for each position.
There is an endless number of sex positions. Everyone is different in what they like, and I won't go into what I think the pros and cons are because that could be an entire essay.
But...
I like a good missionary. I can see my partners reactions and I can gauge how hard and fast I thrust. It is also most comfortable for me.
Cow girl is good too.
I don't like doggy very much, unless I'm doing anal.
A modified missionary with the girls legs on my shoulders is also pretty good. For the same reasons listed for missionary.
my favorite is girl on top in bed or regular standing up
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