system
Given the following post, respond as if you're commenting on Reddit:
human
[The Boys(TV)] Why is A-Train singularly addicted to Compound V to maintain/boost his abilities; could that work with other supes?
gpt
Out of all of the seven, he is the one that is constantly called upon to push himself to his absolute limits. Consider, by contrast, Homelander who in any given situation does the absolute least amount of work necessary to "solve" a given situation. Whereas A-Train is doing things like racing other speedsters.

Ultimately, the use of A-Train's powers at their limits all the time has taken its toll on his body, and he has needed to compensate through the use of Compound V.