While what u could say is
i love the noise of city life compared to the quiet remote island life. i love knowing that there is always something to...
they are just looking for your opinion abut which you think is best.
Internal. Which means "problems in the inside" as with themselves. For example, many people face depression, anxiety, paranoia----just to name a few. All of those are MENTAL illness that people have to battle with daily. External conflict/ battles, are with actual people.. something we can see. External means "outside". Hope I helped!