Perhaps it was that Chirrut was more accustomed to feeling all aspects of a person in his meeting with them that allowed him to hear what the Force sang to him about Baze. No matter, it meant that he was aware from that point on that Baze was to be in his life always.
The first time Baze knew it was during a visit to a hot spring, three years later. His eyes found the mate to his own mark on Chirrut's hip, and drew in a deep breath, wondering if he should say.
"We are destined," Chirrut said simply.