Evolutionary psychologist, Doug Lisle, PhD discusses listener questions with co-host, Nathan Gershfeld. 0:00 Teaser Clips & Intro 04:31 Q1: My daughter doesn't care about her appearance – could it be more than just preference? 14:32 Q2: Our 42 year old dependent daughter said she'll kill herself after we die 32:35 Communication & Negotiation 39:06 Q3:  My pot-smoking husband's libido has decreased – but is it me? 53:15 Final thoughts Q1: Is neglecting personal hygiene and physical appearance really a sign of depression, or is it just personality? My 37 year old daughter doesn't care about her appearance at all, she wears pajamas and slippers everywhere with her hair up in a tangled bun and doesn't wear makeup at all. This doesn't seem so bad, but she's completely neglecting her personal hygiene, she doesn't shower for weeks, smells bad, doesn't wash her hair for months, doesn't brush her teeth regularly, hasn't gotten a haircut in years (her hair's almost down to her knees) and doesn't even brush her hair. Her complete lack of personal hygiene is worrying. She wasn't like this when she was living with me, but that could be because I was always telling her to do those things. Now that she's living alone, is this just who she is? Or should I be worried that there's something else wrong, like depression? Q2: My husband and I are both 77 years old and we are still working to support our 42 year old daughter. We could have retired a long time ago, but we still work to save up money so our daughter can live comfortably after our passing. We know she'll never work - she hasn't worked for 20 years. She was always a smart girl, she graduated with a bachelor's degree in nursing and worked for a mont