Resolved
Part of speech: verb
Definition: To find a solution to (a problem).
Example sentence: My dad went to jail for a long time. We lost everything, and the situation never resolved itself. My parents had this sort of passionate, disastrous desire for each other - not ideal to grow up in.
Single-minded
Part of speech: adjective
Definition: Intensely focused and concentrated of purpose, thinking of only one goal, undistractable.