To take pride means to take satisfaction in something, so in this context the speaker is saying that they enjoy making rose angry.
Consider the staetement "I enjoy and take satisfaction in pissing rose off, but causing her this type of fear-even unintentionally-makes me feel horrible.". Based on this statement, is "I take pride in pissing rose off, but causing her this type of fear-even unintentionally-makes me feel horrible." a true statement? Yes/no/unknown