1) Learn/teach the basic FIML technique.
2) Learn/teach the emotional resolution that follows successful completion of the basic technique.
The basic FIML technique can be found here: How to do FIML.
A discussion of the emotional resolution can be found here: When is a FIML discussion finished?
It is very important that partners learn to carry FIML discussions all the way to the end—to the emotional resolution. A successful FIML discussion involves both feeling and understanding. The feeling of satisfaction or resolution signals that deep understanding has also occurred.