This biological notion of altruism is not identical to the everyday concept. In everyday parlance, an action would only be called âaltruisticâ if it was done with the conscious intention of helping another. But in the biological sense there is no such requirement.
On a beginner muscle building program the best type of cardio to do is interval sprints two to three times per week. Intervals will help you to consume more food while making it easier for your body to store the carbohydrates you eat as new muscle instead of bodyfat.
Get more practice time in, preferably with a partner. Whenever you want to get better at something the answer is always to do it more often. So if you want to get better at lifting weights, and thus build muscle faster, you should train more frequently. Like the ability to hit a fastball, strength development is a skill.