Relic94:

trying to have as open mind as possible
What constrains, prevents or nullifies that?

until I'm positive
You think this is born-again fundamentalism?

I'm still researching
What local pagan group can you join?

I'm not certain
Anxious doubt? Try the Spirituality & Mental Health forum.

going through a phase
"All compounded things are impermanent." «Buddha»
You're full of excuses!

I'm a bit younger
Your brain is plastic, so you can learn!

what it is like not to be taken seriously, and this is not what I want
So long as you insist on being controlled by others, you will never be free!

searching for some sort of tradition
Create new tradition. 

I don't know if a polytheistic tradition is best for me.
Ask your school counsellor for a personality test. For example the MBTI or OCEAN (Big 5) tests. Understand yourself!

not fully researched
What is this demand for certainty coming from?

Universal Spirit
The Catholics can tell you lots about their god.

seperate parts
They can elaborate on trinity, too.

Celtic
Try the Celtic Religions forum.

I am not sure
You seem to have a big hang-up about uncertainty. Can't you explore?

learning their tradition
Throw it away--go with your heart!

Welcome, Denise41:

I received a 100% on my test for neo-paganism.

Well done on coming to this forum. Which other belief systems ranked say in your top five?

My familly is all Christian, but I knew they were wrong about something

Which belief systems were bottom of your list?