Dedicated

[Cami]

dedicated

/ˈdɛdɪ[ke]ɪtɪd/
adjective

When someone (or something) is devoted to a task to a point where it becomes obsessive or completely [unreasonable]. If someone is dedicated, they will stop at [absolutely nothing] to achieve their goal, no matter what the outcome and even at the expense of others. It could also mean when someone is trying far too hard at something.

[Cami]

Devoted to a task or purpose.

[Zipporah Schumaker]

When you watch every [episode] of [Drake and Josh], [multiple times].

[Tanya Shivari]

(of a person) devoted to a task or purpose; having single-minded loyalty or integrity.

[Lanell]

believing that something is very important and giving a lot of time and energy to it: