Does Venus Mahadasha give good results for a Leo ascendant?

How do you know if bad rahu is in your house, and how do you resolve it?

Generally, is a Venus/Jupiter/Saturn/Mercury conjunction in the D9 chart signifying a bad/loveless marriage or no marriage (9th house in Pisces)?

What does Jupiter, Moon, Sun, Saturn, and Venus conjunction in the 1st house mean in the Navamsa chart?

Is Venus good in the second house?

How do you see Rahu moon conjunction in the 12th house for Taurus Ascendant with current Rahu Mahadasha?