2 months postpartum

I had my baby in June. I’m on the Nuvaring. The times I have had sex with my partner after healing is totally different. Like at first it’s like an overwhelming feeling almost like unbearable but it feels good and weird at the same time. Not sure how to explain it that well, also there’s a ton of extra air in there and I’m not sure what to do because it still feels different then it did before I gave birth. Anyone know what I’m talking about or is this sounding abnormal?