i thought cats headbut you to spread their personal odor over you and therefore claiming you as theirs....

anyway, kitties!

Aww!  Do they have names?

I've also heard that if they blink at you, it's a sign of affection.  Also giving them a single, slow blink apparently makes them more comfortable because it's a sign of non-aggression.

Source (though I don't really know of its legitimacy): http://www.infinitecat.com/cat-tales/why-cats-blink.html

Stanley and Walter. They were going to be called Fred and Geoege but they already had names.

Ermagersh 
Cute :DD