blissful happiness
Blissful
perfect happiness
blissful happiness
Your answer is "Bliss" ! Let's try it out in an example sentence: "Deanie Etcetera felt perfect bliss just at the mere thought of her beloved, Mitch Longley."
You could be called a bumbler. It begins with the letter b.
bonnie
bolero
Bay area
The nauger, now called an auger, is a kind of bore.
ballad
Bigamist IKR WHATT
The area of a church where christenings take place is called the baptistery.
(a^2 - b^2) = (a - b)(a + b)