Rin dismounted when she could and walked back for her bag , which had spilled a few items . She almost lobbed the harigata into the bushes when she picked up its box , but instead shoved it all the way to the bottom of the bag . Curious looks from passersby forced her to get up and dust herself off rather than sulk on the roadside for long ; she returned to her yojimbo with her head held high .

Generate a question about the above context.
Why would curious looks force her to get up and dust herself off ?