Conversation so far:
What was Havelock Ellis's view on sexual impulse in youth?
Havelock Ellis views children can experience sexuality differently in terms of time and intensity.
How does Havelock Ellis feel children experience sexuality differently?
Havelock Ellis states that, even in the early development and lower function levels of the genitalia, there is a wide range of variation in terms of sexual stimulation.
Does Havelock Ellis think that the youth are more sexually active than older people?
Havelock Ellis claims that sexual self-excitement is known to happen at an early age.

Question: Why did he come to this conclusion?
Self-contained rewrite: Why did Havelock Ellis come to the conclusion that sexual self-excitement is known to happen at an early age?