Use 'work into' to describe smoothly adding something into an existing plan or idea without causing disruption.

Seamless Addition

It often implies skill or subtlety in adding something into a conversation without appearing forced or awkward.

Conversation Flow

'Work into' can suggest a process that happens gradually over time, not instantaneously.

Use 'work into' when talking about making changes to a routine or lifestyle that take effort and commitment.

'Work into' implies putting consistent effort into something until it becomes easier or fits well.

Sometimes it can suggest working towards a certain level of intensity or competence in an activity.