My CousinI guess a lot of kids were curious about what the other gender was like. I was 5 and my cousin was 6 when we did this. I remember because it was the first time I ever touched a boy's thing. My aunt was over visiting and we went into my room to play. He liked playing with my dolls. He liked looking under my drink and wet doll's dress, and asked me if I had a little pee hole like my doll did. I told him, "no, there it's more than a peepee hole". , I'll let you see mine if you show me yours. We did, I pulled my panties down and held my dress up so that he could look at my vagina. He touched me, and even then it sent a shiver up my spine. I pulled my panties back up and he dropped his shorts and Superman underpants. Seeing a boy's penis for the first time fascinated me, and I just had to touch it. We were back to playing when my mom and aunt came to check on us. When they went back to the kitchen, he said, I have to go peepee, and I said so do I. He suggested that we watch each other pee. I agreed and we boutr snuck down the hall to the bathroom. I went first, pulling my panties down and sitting on the potty. I held my dress up and spread my legs so he could see the pee coming out. I finished and wiped myself before standing and pulling up my panties. Then he lowered his shorts and underpants as he stool in front of the potty and started tp pee.I asked if I could hold it for him and he said yes, so I did, I was so jealous of boys because they could stand up and pee. Of course, I learned later that I could too, but that was when I started developing a wetting fetish.
Oh yes, I did see and touch his penis later in life, but that was when we were both in our early teens, and that was much more sexual.