Complacency: The feeling you have when you are satisfied with yourself.
Syn: Satisfaction, contentment, smugness**
I feel smug and complacent. I know I shouldn't be admitting this, knowing as I do that Murphy might...nay...Will be listening, but yet..:D
*muffled YIPPEEEEEEEEE!!!!* (both coz I am in office and coz I am attempting to thwart Murphy from discovering and thereby disrupting my smugness...)

**Definition from Websters online dictionary