Your situation can be explained by considering the complexity and variety of factors that influence sexual development and libido. Here are some key points to help explain your experience:
1. Testosterone Levels
- Normal Range: A testosterone level of 635 ng/dl is within the normal range for males, which typically falls between 300 and 1,000 ng/dl. Your level is comfortably within this range.
- Interindividual Variability: Testosterone levels vary widely among individuals, and what's considered "good" can depend on many factors, including age, health, and individual baseline levels.
2. Sex Drive and Libido
- Hormonal Sensitivity: Libido isn't solely dependent on testosterone levels. Some individuals have a higher sensitivity to androgens like testosterone, meaning they respond more strongly to these hormones even at average levels.
- Other Hormonal Influences: Other hormones and neurotransmitters, such as dopamine and serotonin, also play significant roles in regulating sex drive.
3. Early Puberty
- Androgen Exposure: Experiencing early puberty suggests that your body was exposed to androgens (male hormones) like testosterone at an earlier stage, which can accelerate sexual development.
- Genetic Factors: Genetics can influence the timing of puberty and the overall sensitivity of your body to hormones.
4. Psychological and Social Factors
- Early Interest in Sex: Your early interest in sex over toys could be influenced by psychological and social factors, including early exposure to sexual content or concepts, personal experiences, and natural variations in development.
- Environmental Influences: The environment you grew up in, including familial attitudes toward sex and puberty, can shape your sexual development and interests.
5. Brain Chemistry and Development
- Neurological Development: Brain development and the regulation of sex hormones are closely linked. The hypothalamus and pituitary gland play crucial roles in controlling puberty and sexual behavior.
- Psychosexual Development: Early experiences and brain development stages can significantly affect sexual interests and behaviors.
Conclusion
Your experience of having a high sex drive and early puberty, despite what you perceive as average testosterone levels, can be explained by a combination of hormonal sensitivity, genetic predisposition, and individual psychological and social factors. Each person’s sexual development is unique, and a high libido can occur at any point within the normal range of testosterone levels due to the intricate interplay of these various influences.