What key episodes should I watch?
I think the one most people can relate to, bronies and non-bronies alike, is "Lesson Zero". If you are watching in order though, then I'd recommend that you watch more than just the first few episodes of the show before judging it. The first few episodes of any show tend to be a little rough.
What drew you into the fandom? The show or the culture?
Definitely the brony culture. I mean, a show about talking ponies titled "Friendship is Magic" sounds incredibly cheesy. I would not have thought that it had any significant value until I realized the quality of work the fandom was putting out there and saw the amount of genuine passion they had for the show.
How has the culture affected your life? (The good and the bad)
I don't participate a huge amount on forums or with the creation of fan works so I'm not sure if the culture has had a significant impact on me other than introducing me to the show. The show on the other hand has helped me through some pretty rough times this year. As corny as the friendship messages can often be, there's something to be said about a show that is so happy. When I'm feeling depressed, I would far rather watch a lighthearted and hopeful kids' show than some sort of gritty drama intended for adults.
If you could educate the world on one misconception about the fandom, what would that be?
This was the reason why I decided to post in the first place. One big misconception is that we are all male. We are not! I'm sick and tired of people assuming that because I enjoy MLP:FiM, I'm either male or super girly. I am neither of these things. While guys do make up the majority of the fandom and the "bro-" prefix would suggest male connotations, it is still a gender-neutral term. This is why the term "pegasister" is also sometimes used by older female fans. It should be noted that a big part of why I enjoy MLP:FiM is because of the feminist ideals it promotes (that there is no "right" way to be female, female characters can successfully fill every role that male characters can, and that femininity is not synonymous with weakness), not the fact that it involves cute, colourful ponies.
I'd like to add that I'm glad that you're actually taking the time to talk to us and see what it's all about instead of blindly believing all the misinformation out there about the fandom. We're not abnormal in any way. We're just normal people who enjoy a show that wasn't originally intended for our demographic