Step by step,

Kevin the texas two step w/ IM for right now.

Step one - wife initiates IM convo:

wife - hey, whats up.
kevin - hey
wife - blah, blah, blah
wife - you there.
kevin - hey, whats up.
wife - blah, blah, blah
kevin - oh.
kevin - I'm sorry. but can we talk later? it confusing trying to chat with 3 people at once. I am trying to make plans for later. I'll call you OK?

A few minutes later kevin signs off.

Step 2 - Kevin never calls.