I have two thoughts on secrets.
If someone ASKS me to keep a secret, especially if they chose to reveal that secret to me, I love it. It makes me feel like that person thought I was trustworthy to be given this information, which I find to be highly complimentary. I've always kinda though, I wanna be the kind of person people can entrust their secrets too.
If I DISCOVER something that should be kept secret, I feel resentful of it, since no one really wanted me to know, I certainly didn't ask to know, and yet now I feel responsible for keeping it a secret. I feel like it was a responsibility forced onto me. Granted, this doesn't change the fact that I will keep the secret, it just changes my attitude about it.