Megatron's twin

Quillux is Megatron's twin, he is the complete opposite of him in every way. He was neutral in the war (mainly hiding) but now wishes to join the Decepticon cause.

This may prove difficult as Megatron is unaware of his existence.

Small scene:

"May I have some?" He asked. I opened my chassis and pulled out one of the many cubes I have stashed. I handed it to Optimus and watched him examine it. "This is high grade."

"So?"

Optimus cast me a look as if his statement said enough but drank from the cube non the less.
Watching him made me feel more low on fuel and I got out my own cube. And out of nowhere a thought came...

How many can I get him to drink?
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WARNING: I am not following the transformers plot exactly, I'm just writing for fun.