if one wants to be a good singer what remedies would help one to become singer in cases where third house is not that supportive??

can someone please share how parivartan works will it be supportive or destructive?? what happens when dasha (MD- AD) run of those planets run??

does each house has color associated with it?? could you share the details

If venus is with 7th lord will it cause color of spouse to be black?

karaka for cough, cold, sneeze is jupiter?? i have heard people say while someone is talking about something, if other person sneezes, then that thing will not happen? just was curious if there is any logic behind this