Every sincere Christian will answer "yes" to that. Next question is do you love Jesus ? most likely answer is "yes". Next question is do you have the Spirit of Christ in you ? Can we answer that honestly ? Let me tell you why I asked that question. According to Romans 8:9 of the Holy Bible which i will quote, But you are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you, Now if any man have not the Spirit of Christ, he is none of His.
Fair and honest question, is it not ? If we really want eternal life, we will have to answer that with "yes". But maybe you yourself is asking, how do I know I (or you ) have the Spirit of Christ ? Have you asked your pastor or your priest ? or have you asked a fellow Christian ?