A good training partner should...
Reveal answer
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A good training partner should...
Be timely, reliable and encourage you to make progress
Push you to lift heavier and heavier, no matter what.
Be so hardcore that he never takes a day off for any reason, ever.
All the above
A good partner provides consistency, motivation, and steady progression. Pushing heavier regardless of form or readiness (B) causes injury. Never taking rest days (C) is counterproductive and unhealthy. 'All the above' (D) would include bad options B and C.