Ruminate

[Sarah]

Having a hard albumen penetrated by irregular channels filledwith softer matter, as the nutmeg and the seeds of the North Americanpapaw.

[Sarah]

To marinate oneself in excessive amounts of rum.

[Oralee]

Focusing on past events in your life, typically ones that didnt turn out the way you wouldve wanted, and [reflecting] on them relentlessly with a strong outlook of yourself feeling worthless and [inadequate]. Depression and anxiety usually follows.
A very common negative [thought process] after breakups.

[Dianne]

Think deeply about something.

[Monty]

to think carefully and for a long period about something: