The phrase "to become normal" means to return to a state of being typical, usual or expected. It implies that something which was previously abnormal or unusual is now returning to its regular state.
Sentences with «to become normal»
Allow your child to come inside the bathroom with you so that the toilet becomes a normal part of their day. (daddilife.com)
And thus, 50 % returns became the normal for many books. (deanwesleysmith.com)
Over the last few years, online gaming has been growing at an astronomical rate, quickly becoming the normal way that most people play video games. (techradar.com)