When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.
The person who dumps garbage into your mind will do you considerably more harm than the person who dumps garbage on your floor, because each load of mind garbage negatively impacts your possibilities and lowers your expectations.
It makes no difference where you go, there you are. And it makes no difference what you have, there's always more to want. Until you are happy with who you are, you will never be happy because of what you have.