What day is it today???

I asked a man on the way to home, what day was it today. The man used rather unconventional way of telling me the what day was today. He said
"The day before the day before yesterday is three days after Saturday."
 What day is it today?

Answer:
Friday

A normal man... or is he?

There is this one man who killed his mother, was born before his father and married over 100 women without divorcing. Yet he was considered normal by all of his acquaintances.

Answer:
His mother died from labour, he was born in the presence of father(born before his father meaning in presence of his father), and he's a priest who married 100 men to 100 women.

You are the detective.

There is a room with no doors, no widows, nothing and a man is hung from the ceiling and a puddle of water is on the floor. How did he die?

Answer:
He was standing on a block of ice and it melted.