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You'll see, she will be fine! And once older, you'll have a huge, stunning, impressive and beautiful creature who seems to come directly from the old ages... For me, the Theraphosa are the tarantulas who make me think the most of a prehistoric and giant creeper.
agree with @Nicolas C usually when you bump or startle a T while it's feeding it will drop the food and not go back to it. The "fight or flight" response for a larger predator wanting it's food. I've seen this with all of my T's if i do maintenance after feeding and startle them. I make a point now to do maintenance, and then feed.
Remove the "leftovers" and feed it again after a few days.