Is this bad or normal

When I was young, 6-10, my sister and I had friends down the street who we used to play "house" with. They shared a room and had 2 beds, we'd pair up and get under the covers and just lay on each other. I know the idea was probably to look like we were having sex or kissing or whatever we thought we knew at that age, but no weird touching ever went down. At least with me..I know the sisters used to kiss, like a peck but longer (not mouth open just a long kiss if that makes sense) Is this all bad and potentially damaging or normal stupid kid stuff? I sometimes wonder about my sister and I..we turned out just fine lol but I think we both do have some intimacy issues and I just have to wonder.