The oldest woman in Europe celebrated her 115th birthday and revealed the bad trait she always avoided, explaining ‘never arguing with anyone’ helped her live so long. Experts suggest that the secret to a longer, healthier life, could be acting like a monkey, while another study shows writing in your gratitude journal every day can help too. Well, Ethel May Caterham turned age 115 and shared the secret to her longevity. Wise advice to live longer A woman believed to be the oldest person in Europe named Ethel has celebrated her 115th birthday in a Surrey care home, based in the UK, a recent BBC…