They want to educate me well and teach me to rely only on myself when I want something

爸爸妈妈的言传身教,希望我自食其力

The only thing that motivated me was that

让我唯一有动力的因素是...

After a reasonable amount of time

工作了一段时间以后

I was very excited, and at the same time impatient

兴奋并且焦虑着