AGRIMONY.  Key words - Addiction, sadness, anxiety, insomnia.
Human Indication:  Mental torment behind a brave face. Appear care-free and humourous in order to mask anxieties and unhappiness.
The jovial, cheerful, humorous people who love peace and are distressed by argument or quarrel, to avoid which they will agree to give up much. Though generally they have troubles and are tormented and restless and worried in mind or in body, they hide their cares behind their humour and are considered very good friends to know. They often take alcohol or drugs to stimulate them and help themselves bear their trials with cheerfulness - Dr Edward Bach