keep (something) in proportion

To refrain from regarding or depicting something in an exaggerated or overblown manner; to not regard or depict something as more important, negative, or significant than it really is. I know we're all shocked by the announcement, but let's try to keep it in proportion—no one is losing their job, and no one is getting a decrease in pay. In reality, it's just a rearrangement of responsibilities. In the age of social media, people seem incapable of keeping current events in proportion.

ˌkeep something in proˈportion

react to something in a sensible way and not think it is worse or more serious than it really is: Listen, I know you’re all upset but let’s try to keep things in proportion, shall we?