Ayotunde Ajayi, 4, left, watches his brother Olamide Ajayi, 6, play with Nalulani, their mentor …

Ayotunde Ajayi, 4, left, watches his brother Olamide Ajayi, 6, play with Nalulani, their mentor Lisa Bernauer’s therapy dog, at Bernauer’s home in Las Vegas on Wednesday, Dec. 18, 2019. (Elizabeth Page Brumley/Las Vegas Review-Journal) @EliPagePhoto