Complex sentence: Despite his success, Rand resented what he saw as interference and manipulation on Moiraine's part; though she seemed to be trying to help him, Aes Sedai are used to getting what they want, and keeping their plans to themselves.
Split into simpler sentences: Despite his success, Rand resented what he saw as interference and manipulation on Moiraine's part. Though she seemed to be trying to help him, Aes Sedai usually get what they want and keep their plans to themselves.