Oceanic dolphin another indication of animal intelligence. Killer whales have the second largest brain mass of any animal on earth, next to the sperm whale. The brain to body mass ratio in some is second only to humans. Self-awareness is seen, by some, to be a sign of highly developed, abstract thinking. Self-awareness, though not well-defined scientifically, is believed to be the precursor to more advanced processes like meta-cognitive reasoning (thinking about thinking) that are typical of humans. Research in this field has suggested that cetaceans, among others, possess self-awareness. The most widely used test for self-awareness in animals is the mirror
Love on the Brain "As she implores 'Don't you stop loving me,' her performance has a grit, sweat, and weariness to it that's unusual and humanizing." Da'Shan Smith of "Billboard" stated "Love on the Brain" became the most subtly influential Pop single of 2017, as the music industry experienced "a prominent surge of retro-harkening balladry, across different musical genres", following the success of this song on Pop radio; which he described as "a rare find today, because traditional R&B’s presence on the format is an oddity." "Love On The Brain" received a nomination for Choice Music: Pop Song at the 2017 Teen Choice Awards.