Related Clues:

• Putting on a poker face
• Not at all emotional
• One entertained by short routine — he shouldn't complain
• Disciple or follower of Zeno
• One who is indifferent to pain
• Unemotional Scot I removed
• Passionless disciple
• Passionless
• Seneca for one played coits
• Philosophical disciple developing its small company
• One involved in unusual cost was philosophical
• Long-suffering Saint Oswald's first to join leaders in island church
• Uncomplaining in suffering
• Rod, almost entirely without love and showing little emotion
• I'm not complaining on board Airbus to Iceland