Where you place your attention is exactly what you will manifest in your life. However what you think you are focused on is not what you are wanting!
You see between you and your dream holiday or house or relationship is a ton of limiting beliefs which just want to keep you safe.. These limiting beliefs are nicely tucked away in your subconscious mind just doing as they are told. So if you believe you don't belong you will go out into the world seeking identity - "Who am I?"
Your focus would be on finding a holiday, house or relationship where you feel that you belong. "Where is my place."
So let's get back to focus and say you want to manifest a relationship. I would suggest that as much as you want a beautiful, loving, harmonious relationship your focus from the limiting belief "I don't belong", would be directing you to look and find a place where you feel like you belong. Your focus is on this issue but not on a beautiful, loving and harmonious relationship.
To manifest we must change our focus and come from our heart center, our creative self and go for the beautiful, loving and harmonious relationship leaving the limiting beliefs behind.
What does this feel like? For me it feels very peaceful and exciting. It means you can manifest from a place where there is nothing wrong with you. You are whole and complete just as you are. You have all the tools, skills, knowledge and experience that you would ever need and honestly there is nothing wrong with you.
Starting to take the power out of the fear based limiting belief agendas and putting the power in your heart is the most important thing you can do. Re focus. For the new to emerge, the old must die. If you really want to change you have to let go of your old story and free yourself up to follow your heart. Only then will you have a new foundation from which to create.