My partner was fingering my anal passage and then we had had anal sex about 24 hrs ago now. his nails were not clipped really short but weren't overly long either. I felt a bit of light scratching while he was fingering me, then when we had anal sex and it hurt and was not comfortable. Anal sex for us has always been really enjoyable and has not felt like this before at all. there was no bleeding and ive since had a bowel movement and there was no blood in that either but its still sore where his nail was scratching inside. when i sit down it feels slightly sore too. is this common? or serious or something to be worried about?