What word would you use to describe if you are fascinated but feeling inferior/doubting yourself at the same time?
I think frisson would sum up the state you are in pretty nicely.
a brief moment of emotional excitement : SHUDDER, THRILL
produce a genuine frisson of disquiet — Patricia Craig
a frisson of surprise
a frisson of delight
[Merriam-Webster]
OR
have/get/feel butterflies in your stomach
to feel very nervous or excited about something that you have to do, especially something important
Do you get butterflies when you have to talk to lots of people?
[Macmillan]