get the thoughts out of my head

i want to get thoughts out of my head,thoughts that do not belong there,anxiety.I do believe in god.I just am so very hard on myself.I want to lower my stresslevel.I have so many changes in my life and it is so hard.I do not understand how and why people have to go through this.sometimes i feel all alone even though i am not and sometimes i feel like i have everyone here with me.it is such a struggle.i do not like having anciety and bipolar.please anyone who has this issue please write back or email me