You have a mental order that needs attention. Have you had uncommon headaches ? Go see a doctor to scan you , i think you have something thats affecting your mind.

Same as fear, to overcome it. Once you do research on what kind of fear/nightmares bugs you, it will go away.

Its a subconcious reminder that you have to do something really really important that involves a male, of the same age and race as the person standing and watching you.

Ive got a elephant that ive had since ive been 5 , that was over 25 years ago.

If a cellphone software works the same as a computers, then the sms should still be there until your memory on your cell over writes it, I know computers don't really delete anything, it overwrites everything.