hey everybody, im new to this board and i need SERIOUS HELP on this!

background:
ive been with my gf for a while and im paranoid and fear greatly of her cheating on me because i have been cheated on by my ex girlfriend before.

we have had issues on trust before cause this is a long distance relationship but those issues are preety much over, but i still time to time get paranoid about her (like i would doubt what she tells me even though there is no proff of lying and deep down i know shes telling the truth)

Just today we were sleeping (had my arms around her) and i had this dream
dream:
we were sleeping in a room that looked to be like my uncle's old room in my grandparents old house.....i was holding her, had my arms around her.....and then in the dream...i woke up and she disappeared...i noticed she just left like
like 3 minutes ago..so i got up and looked for her.....first i looked at my computer to see something (forgot)...then on my way out of the room...i notice she left something (i think it was a sock)....then i went downstairs and there were three doors....the middle and the right door were closed...the door on the left was slightly open.......then i went back inside the house...and heard a gun shot sound...then i looked outside and realized it was these kids on bikes throwing things at my neighbors windows......then they started to throw things at my window and two went through the glass....i went out and started chasing them, but inside i didnt really want to cause i was tired and worried about my gf...so i got out of the house and started chasing them....

THE END

my interpretation:
the only thing that scared me was the door part.....the thrid door was open..like she went trhough it...could that mean there is a thrid person? like another guy shes seeing?

and could the shattered windows mean damages to our relationship??

i have studied physchology before and i have learnedd that dreams are or could be metaporic, but could i have had this dream because i am always paranoid about being cheated on that it carried over to my dream or could it be that it is a message to me?

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!! THANK YOU

God bless