Defining "Love Triangle"

I need to get to sleep, but first I'd like to clear something up.

LOVE TRIANGLE 

A "love triangle," as I understand it, is a situation in which two men/women are both in love with one woman/man and that one woman/man can't make up her mind which one she loves. If she/he definitely loves one or the other, it's not a triangle. It's a line and a dot.

THIS IS A LOVE TRIANGLE 

THIS IS NOT A LOVE TRIANGLE 

These following trios are love triangles: 

1. Bella/Edward/Jacob

2.Katniss/Peeta/Gale 

These following trios are not love triangles:

1. Ron/Hermione/Harry

2. Aragorn/Arwen/Eowyn

3. Kili/Tauriel/Legolas 

4. Ned/Chuck/Olive 

5. Jack/Will/Elizabeth

6. Tristram/Eustacie/Ludovic 

7. Bertie/Madeline/Gussie 

8. Bertie/Florence/Stilton 

9. Bertie/Angela/Tuppy 

10. Sally/Ginger/Bruce

Also, and I can't believe that it's necessary to say this, but Gandalf and Galadriel are NOT IN LOVE. There is, believe it or not, a such thing as affection not pertaining to in-lovedness. I love my brothers, and my dad, and my guy friends, but I am not in love with them. Galadriel is not in love with Gandalf, and Gandalf is not in love with Galadriel, that's all I have to say about that, end of rant. 

Also I still think Kili and Tauriel are based off of Beren and Luthien. I'm waiting for somebody to contradict me so I can unleash my knowledge of The Silmarillion.