Our attitudes toward the past and future shape our actions by the outcomes of our actions. For example, if you are nice and give a helping hand when needed, you will be rewarded with kindness back. Your actions in the past always affects your future. I hope this was what you were looking for
From the definition of absolute phrases we know that it is a modifier that attaches to a sentence without a conjunctution. So, we can say "his chubby legs, pumping" is the correct answer.
They act childish and feeble