It typically precedes "we are gathered here today" at a marriage ceremony
Dearly Beloved
It's the total number of spots, or pips, on a traditional 6-sided die
21
I assure you, there's nothing wrong with you, but if you insist, I'll prescribe this inert preparation, Latin for "I shall please"
Placebo
If you need a helpful hunt deity, Mixcoatl comes highly recommended by these Tenochtitlan residents
the Aztecs
The area between 2 concentric circles in a plane is an annulus, a fancy word for this shape of great interest to Hobbits
a Ring
"Smells Like Teen Spirit" & "Come As You Are"
Nevermind
Often used to describe mischievous twins, it means a situation with twice the number of problems
Double Trouble
For her debut in Disney's "Steamboat Willie", she appears in the title card in a polka-dot skirt reportedly inspired by Chanel
Minnie Mouse
That lump in your skin is just a dermoid type of this 4-letter sac of tissue; nothing to worry about, but I'll remove it
Cyst
Her boss-dad Zeus calls her a headache, but here on the Acropolis, we call her Pallas
Athena
As well as a drop of golden sun, it's a line segment that has a fixed starting point & extends infinitely in one direction
"So Long, London" & "My Boy Only Breaks His Favorite Toys"
The Tortured Poets Department
A minced oath, or a character in "Pinocchio"
Jiminy Cricket
The proverbially whites of the eyes aren't visible in most horses, but the white layer in the eyes of this spotted breed is obvious 
an Appaloosa
Hurts to swallow, swollen tonsils with white patches, red spots in the mouth--looks like this, from the name of the bacteria
Strep Throat
This god got a bad performance review when he failed to smash the skull of Jörmungandr; he'll have another shot at Ragnarök
Thor
This geometric figure has 2 congruent & parallel polygons as its bases; its optical counterpart is more loosely defined
a Prism
"In Da Club" & "Wanksta"
Get Rich or Die Tryin'
It's a legal designation for something submitted to the USPTO but not yet granted
Patent Pending
These "soft spots" on top of a baby's head are spaces between the still-forming bones of the young skull
a Fontanelle
We need to fix that knee; luckily it's a minimally invasive surgery using this fiber-optic tool seen here
an Arthroscope
If you're looking for a bountiful harvest, this Roman goddess of grains really reaps it in
Ceres
These line segments have endpoints along a circle's edge; the circle's diameter is the longest one possible
a Chord
"Go Your Own Way" & "You Make Loving Fun"
Rumours
Waylon Jennings & Willie Nelson started this music genre as a rebellion against an established sound
Outlaw Country
Caused by magnetic activity, sunspots appear as dark patches on the Sun's visible surface, aka this layer
the Photosphere
I haven't seen a case of beriberi in years! We're putting you on a regimen of this vitamin, B1, stat!
Thiamine
This consort of Shiva is great at vanquishing foes but she insists her belt of severed hands is business casual; don't tell HR
Kali
The branch of geometry called this -ology studies properties that stay the same even if an object bends, stretches or shrinks
Topology
"Bad Guy" & "My Strange Addiction"
When We All Fall Asleep, Where Do We Go?