Possible Clues:

• Give evidence, being irritable about condition
• Give evidence at trial if you first appear
• Grumpy if put in to give evidence
• Doubt being in irritable state
• Easily irritated about one initially failing to give evidence
• Take the witness stand
• Affirm (on oath)
• Short-tempered if going in to take the stand
• Declare to being cross about condition
• Irritable if made to go inside to give evidence