Adherence

[Mark Zuckerberg]

The state of being fixed in attachment; fidelity; steady
attachment; adhesion; as, adherence to a party or to opinions.

[Monty]

[The endless] task of doing what you dont want to with a regular rhythm (taking [meds]) Failure to do so will end up with upset [pharmacist] chasing you down and sticking to you until you do

[Couch Potatoe]

Attachment or commitment to a person, cause, or belief.