In my dream I asked about where my pee mixed with a man, I was afraid the man would be mad at me for interacting with his daughter (not granddaughter) who is as old as my mother, and after we peed together, some drops seemed to fall to the ground, and I worried they would but it seemed cartoonish in that it didn't seem to matter. and they seemed to stay midair regardless. I then compared the mixing to when I would put water in my mouth while laying in a bath full of water, and for fun, spit it across the bathtub at a sponge laying above me, and the dream ended.
بسم اللہ الرحمن الرحیم
It seems that the person you are referring to in your dream, if you have a relationship with a woman of his family, then such relationship may be offensive, frivolous and unsustainable for him.
فقط واللہ اعلم بالصواب