Tuesday
Lesson 1
If Reuven slandared shimon in the presence of two people and one of those two people related this to Shimon, the second person is still not allowed to tell him the same information (Even if he does not add anything to the narrative). Hearing information from a second person will increase animosity.
Lesson 2
If you have spoken rchilut and want to right the wrong, you need to ask the person about whom you have spoken to forgive you. This applies only in cases where the rchilut was believed, since it is then bound to cause ill-will. If your rchilut was not believed, you need not ask the maligned person for forgiveness.
Wednesday -
Lesson 1
Whenever possible, try to convince the person to whom you related your rchilut that you were mistaken: "Reuven didnt really say anything derogatory about you; I misunderstood him".
Lesson 2
We are not allowed to listen to Rchilut even if we are not resolved whether we will believe it.