Around 1880, while in Moscow and approximately simultaneously with working on Esperanto, Zamenhof made an aborted attempt to standardize Yiddish, based on his native Bialystok (Northeastern) dialect, as a unifying language for the Jews of the Russian Empire.
Try speed work. Speed work refers to a type of strength training which uses a much lower percentage of your maximal weight. Lifting weights with greater bar speed trains your stretch reflex and your ability to build momentum more quickly, as well as recruit more muscle fibers.
You can increase your testosterone levels by up to 20 percent by lifting weights 3 times per week for 11 weeks. Strength training in the evenings can increase testosterone levels in the evening. These effects tend to be brief and smaller the better shape you are in. They can still help.