Do i have some kind of testosterone problem?

hello their, afew years ago, i was a very different person, id take so many risks id get angry and passionate about things, i was very sexual, and i was alot more fun, and now i have not been angry for about 9 months and i do not feel the need to have fight for something with a passion and i really am not as sexual as i was before, and i stay away from the slightest risk, and im a very boring person i am 18 years old now , do i have some kind of testosterone imbalance, whats going on?