1. For me, it doesn't feel as if there is another person there with me touching me but it is rather an overall feeling of pressure and discomfort (said lightly). My body memories, when I have them, which usually only happens when I have gone too long without managing my symptoms, usually have me rocking back and forth and running water on the back of my neck (calms the nervous system) to stop them. The running water works.
2. Usually my body memories are mixed with an overwhelming general knowledge that I have been abused and that the body memories are very painful because of that abuse.
3. They can be excruciating depending on the type of abuse that is being physiologically remembered. (Refer to #1's answer.)
4. For me, usually powerful emotions like feeling agonized simultaneously occur. It is just a feeling of suffering. Also, perhaps a feeling of disbelief can occur as I can't believe I have been abused this much for the body memories to be this bad (just saying). I don't perceive the actual events to be so bad as I had disassociated from any and all feelings during them which results in a feeling of disbelief during the body memories = "Why are my body memories this bad if the actual abuse wasn't this bad?" (It really was that bad; my mind has just blocked those parts out and also did so during the events.)
5. It feels similar to another person being there but in a surreal type of way. It feels like having a nightmare when you are awake. It feels like knowing you are feeling all these sensations but knowing deep down that no one else is actually there who is doing them so they are from the past.
6. Body memories are not sensations that can be ignored. "Everyday sensations," which I'm assuming means "unabusive sensations," do not have the capacity to override our entire thought process like body memories do. When I have a full body memory experience, there is absolutely nothing I can do about my thinking processes. The body, mind, and emotions are all related and connected. Everyday sensations can be positive or negative; body memories from PTSD are negative and don't feel good.
7. For me, body memories only come when I have gone for a longer period of time not managing my symptoms. For example, today I had a busy day. I didn't have a chance to stop and check in with myself about how I was feeling. As a result, my flashbacks etc. were pushed back to my unconscious mind to feel at a later time. When I finally had the chance to wind down, at the end of the night, the body memory occurred. Body memories, for me, happen when I have gone too long of a time not allowing myself to have a flashback. For me, something as simple as walking a block down the street can cause a flashback. This is no problem as long as I can return home to feel the flashback and manage the symptoms. If I cannot, and I push it away because I am busy, my body will end up pushing back with full force.