Middot - Character Traits

Over the years, I have received cash gifts for birthdays, bar mitzva, etc. and never gave ma’aser kesafim (=mk) from them. I would like to do so now but do not remember the exact amounts I received. What should I do?

the Citigroup “bank” mistakenly paid some $900 mil. to Revlon’s creditors before the loans were due. A few big creditors refused to return the money. A court ruled that since the creditors took the money (they were owed) in good faith, they need not return it. Would the halachic ruling be the same?

I, a lawyer, often need to write a contract with a clause for extra payment if the buyer pays late. How can I do this without making the client violate ribbit (usury)?

With great passion, the rabbi waved his hands for emphasis as he spoke, and… knocked his dentures out of his mouth! Did the people in attendance commit a sin by laughing, or was it considered oness (a forced act)?

What did the Chafetz Chaim demand from the person who asked to join him in heaven? did he agree?

Rabbi Alpert was once visiting Rabbi Feinstein. He accidently knocked over the inkwell, spilling the contents on the Rambam and the new gemara!