I owe it to my parents that I'm so healthy.

Hey, thanks to who is it that you live well?

to cultivate one's virtue

Scabies justify her to scratch her pubes. She scratches her pubes as well as her itchy thigh.

the weekend drama that ranked #1 in viewership ratings thanks to its solid script and excellent acting

So he wrote down the guy's name and now [asked him] what happened the day after he went to Seoul for the civil service examination. As the speaker is a Korean war refugee who lives in Seoul, it is likely that his speech has influence from standard Korean or the Gyeonggi dialect spoken in Seoul.