When you use lubes, does it just feel like sand staying where it was on his skin under the lube, or does the lube cause the sand to feel loose and move around? Trying to get at whether he has something on his skin. If you massage him when rubbing on the lube, does the skin feel sandy to your hand?
Hi, you mean it's painful because his skin is rough? Have that problem before or 'other' things? Just asking to kind of judge if it is a 'him' problem or a 'you' problem to know which direction to go in. How old are you? Are you at the age where you could use some estrogen down there?