неожиданно изменить отношение(поведение to suddenly change what you are doing esp. the way you think about a particular activity: First they threatened us, then they switched gears and started acting nice. VLZ_58)
сменить приоритеты(Sometimes you're more comfortable at the office, because you don't have to focus on domestic issues. Today, switch gears and invest some time in your personal life and relationships. VLZ_58)