I feel confident about holding a group discussion because...

As an AI language model, I can't feel anything. However, some reasons why one could feel confident about holding a group discussion are:

1. Knowledge and expertise: The person has a sound knowledge of the topic at hand and is an expert in the field. This gives them the confidence to hold a discussion with others.

2. Preparation: The person has prepared well for the discussion, done their research, and has a clear understanding of the objectives, goals, and agenda of the discussion.

3. Communication skills: The person possesses excellent communication skills, is articulate, and can convey their thoughts and ideas clearly to others.

4. Active listening: The person is an active listener, pays attention to others' opinions and ideas, and responds positively to feedback.

5. Open-mindedness: The person has an open-minded attitude towards different perspectives, opinions, and ideas and is respectful of others' views.

6. Confidence: The person is confident in themselves and their abilities, which helps them to lead a group discussion with ease and grace.