True, medication impacts everyone in its own unique way anyway. For me personally I never noticed a difference, though I'm not on it anymore - I got switched to a non-stimulant due to blood pressure. The only medication that has impacted my libido negatively has been anti depressants, the right brain zappy ones like Effexor.

Or emotional, stress, etc since that's often a big factor

No it says right on the bottle, it just never hit me till recently. The doctor says that happens as your body changes and adapts, and I'll likely need to switch up medication to different ones that do the same thing

Yeah, age. Although I'm nearly 30 and am easily a top contender for lowest chance to have prostate cancer due to avoidable circumstances.