Esmeralda - It may or may not have been said to you but my personal opinion would be to reassess your commitment to the Jehovah's Witnesses. Ask your study instructor to answer questions that can be posed now and not later. You appear to have a good heart and good intentions toward finding God and His Son and all that entails. You are smart and very capable and should be able to discern truth from falsity.
I strongly encourage you to visit sites like jwfacts.com.
If your study instructor or any other brother or sister tells you to avoid coming to sites like this one or sites that are critical of the Jehovah's Witnesses ask them that if their religion is the truth, nothing or no one can pollute that and the facts will always come through.
The actions from the elderette you mention is typical of many sisters in a position of prestige and/or power. You have barely scratched the surface as you will see many more actions and tactics from other Jehovah's Witnesses who claim to be spiritual yet they "prove false to its power."
Never be afraid to research the truth before you make a life-altering decision of becoming baptized as one of Jehovah's Witnesses.
You are attending a university and this, in itself, will make you look "spiritually weak" if you ever decide to become a member.
Best of luck to you.