structured (guy/person)
following a set method, arrangement, or pattern m-w
Sometimes I can't believe I have become such a structured guy, given my island heritage and my tendency to want to relax without a lot of demands. ref.
But I did some soul-searching and studied responsible management in Berlin. After graduation I founded my start-up. I'm a very data-driven structured person... ref.
Perhaps the more structured person can take the responsibility for making certain you pray with each other... ref.