While Zeph was looking forward to tenderly taking care of Rena and having a longer more thorough private conversation with her and his wives after everyone's needs and wants were satisfied, before spending ample time in prayers with his angels, especially Raziel, Candi created a situation where he would have to guard her from herself.
That ice cream was clearly labeled, so she knew damn well what she was doing when she served it to Zeph and Leo, before eating most of it herself without even asking him or Sonya if it was okay. Her thorough process was more or less that he would say no if he just asked him for some attention, so she created a situation where she needed it, and didn't put too much thought into letting Leo have a little taste of something he shouldn't.