Related Clues:

• Deeply focused
• Kind of attention
• "Life is but ___"
• Really paying attention
• Extremely attentive
• Immersed
• Anything but bored
• Totally attentive
• Not merely paying attention
• "I have ___ ..."
• "Life is but ---"
• Engaged, in a way
• Absorbed in
• Not at all bored
• Undivided, as attention