Related Clues:

• Till
• A fan of
• Excited about
• A student of
• As many as
• Krakauer's ''--- Thin Air''
• Word with "each life" or "thin air"
• Studying closely
• Maximally
• Word of division
• ''--- each life some rain ....''
• Avid about
• Hooked on
• Passionate about
• Nuts about