Mitten%20prefers%20a%20quiet%20day%20and%20an%20unmarked%20path.%20You%20might%20spot%20him%20in%20the%20treeline%20or%20tucked%20under%20a%20bench%20%E2%80%93%20not%20hiding%2C%20just%20thinking.He's%20not%20one%20for%20firm%20plans%20or%20timetables%2C%20but%20he%E2%80%99s%20remarkably%20punctual%20when%20it%20matters.Soft-footed%20and%20slow%20to%20interrupt%2C%20Mitten%E2%80%99s%20the%20kind%20of%20friend%20who%20listens%20closely%20and%20lingers%20at%20the%20gate%20%E2%80%93%20just%20in%20case%20you%E2%80%99ve%20got%20one%20more%20thing%20to%20say.