it's a customary ritual for eliot to drink syrup from the bottle every morning, however it's against conventional wisdom

Custom means 1.Accepted or habitual practice 2.A specific practice of long standing Adjective 1.Made according to the specifications of an individual While ritual 1.Any customary observance or practice 2.The prescribed procedure for conducting religious ceremonies 3.Stereotyped behaviour Adjective 1.Of or relating to or characteristic of religious rituals "ritual killing" 2.Of or relating to or employed in social rites or rituals "a ritual dance of Haiti"; "sedate little colonial tribe with its ritual tea parties" And convention refers to. 1.A large formal assembly "political convention" 2.Something regarded as a normative example. "the convention of not naming the main character" 3.(diplomacy) an international agreement 4.Orthodoxy as a consequence of being conventional 5.The act of convening cowboy...