The idiomatic expression "to see the other side" means to have a different perspective or opinion on something, to change one's mind about an issue, or to adopt a new point of view. Full definition
They fight for freedom and the end of oppression, but until recently, we have never seen the other side of their story. (gamerassaultweekly.com)
Someone once told me that usually when people are arguing, and they can't see the other side, people argue about the what and the why. (entrepreneur.com)
I am so far on the «women should breastfeed» side of this line that I will admit that I can't even see the other side clearly. (thelunchtray.com)