Reese Witherspoon said that "vulnerability" with Sarah Harden (right) made their media company, Hello Sunshine, successful.Emma McIntyre/ Getty ImagesReese Witherspoon said she initially struggled to run her media company, "Hello Sunshine."Her business partnership with Hello Sunshine's CEO, Sarah Harden, helped to turn things around.Witherspoon recalled asking Harden the "dumbest questions" but said her vulnerability helped the business.Reese Witherspoon opened up about the struggles she faced while starting her media company, Hello Sunshine.Speaking at Hello Sunshine's Shine Away conference in Los Angeles on Saturday, the actor, who founded the media company in 2016 with Strand Equity's founder, Seth Rodsky, said it was initially "scary" not knowing if she would recover her investment."Every day, I woke up thinking, 'Oh my god, I'm not gonna get my money back.' But I would rather bet on myself and lose that money trying hard.