In the latest episode of Naruto, there is a phrase "Be careful of Mr. Jiraiya". What does that mean?

Why should we be careful of Mr. Jiraiya?

How to understand this sentence? Do you understand these two sentences together or only the latter one? If the two sentences are understood together, does it mean: "Naruto, I hope you can find a good girl like me in the future, but you must be careful of Teacher Jiraiya when you find a good girl, because he is very lewd." So, is there any hidden secret between Jiu Si Nai and Jiraiya? If you only look at the last sentence, it can be understood as: "Naruto, you must be careful of Mr. Jiraiya when you grow up, because he is very lewd, and I am afraid you will learn from him." Hehe, actually it's not. Jiusinai also said that ninjas have three taboos. I remember a saying that Jiraiya also told Naruto that there are three taboos, that is, money, sex and alcohol. Unfortunately, Jiraiya broke all three bogeys in one day. Jiraiya's character Watergate and Jiuxin must know, and Watergate smiled after listening. Not the kui is a lively and cheerful red pepper, and I don't forget to joke before I die. ...