Red Red Red

I don't understand about complementary colors
 And what they say
 Side by side they both get bright
 Together, they both get gray
 But he's been pretty much yellow
 And I've been kind of blue
 But all I can see is red, red, red, red, red
 Now what am I gonna do?
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 I don't understand about diamonds
 And why men buy them
 What's so impressive about a diamond
 Except the mining?
 But it's dangerous work
 Trying to get to you, too
 And I think if I didn't have to kill, kill, kill, kill, kill, kill myself doing it
 Maybe I wouldn't think so much of you
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 I've been watching all the time
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 And I still can't find the tack
 But what I wanna know is, is it okay? Is it just fine?
 Or is it my fault? Is it my lack?
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 I don't understand about
 The weather outside
 Or the harmony in a tune
 Or why somebody lied
 But there's solace a bit in submitting
 To the fitfully, cryptically true
 What's happened, has happened
 What's coming is already on its way
 With a role for me to play
 I don't understand
 I'll never understand
 But I'll try to understand
 There's nothing else I can do