"To get some perspective" means to look at a situation from a different point of view or to gain a better understanding by considering various factors or opinions. Full definition
I enjoy getting a perspective on what's going on in other states with family law issues. (kevin.lexblog.com)
You'll be watching for a bit, then suddenly get the perspective of what happened in the scene before. (reelnewsdaily.com)
When you're involved in an emotional situation at work, it's greatly advantageous to get perspective from someone who's older and / or wiser than you are. (inc.com)