By default, member can only select list of interests from the predefined list. If you want to allow them to add more interest, please follow below steps
- Admincp > Plugin manager -> Dating -> Setting
- Find the setting “Allow member to add new interests?”
- If you select “Yes”, your member can select the interests from the list defined by you also can create a new one. The new one only can visible with member who added. If you want to publish it to all members, you need to review and enable it at “Interest” tab (see below screenshot)