At a party and I don't remember what happened, why?

So I was 'at a party last night' I do not rember it at all. Until I see pictures my friend puts up of me there? I was so confused I am like in total shock what is this?! I didnt drink anything cause I don't love alcohol I don't know why. I just had like a water. Do thse things happen? I just rember waking up at my house. Is it normal to not remeber anything?

not at all.

Did you get the water yourself? If not, it's a possibility someone slipped something in your drink.

I've gotten incredibly 'Trashed' at parties before, and still woken up and remember at least parts of the night before. I've never completely forgotten anything from a night of partying.

oh no it's not.this kind of thing only happens when you drink alcohol.trust me.

I have been drunk before and rember everything I think someone put something in your water a date rape drug or something

no, thats not normal
if you didnt remember anything you could have also taken some sips of other people alchole
which sound like they were spiked
drinks can be spiked with either date rape drugs, pills, and other drugs that affect your brain at the time
if you dont remember anything then its very likley that the drink was spiked
and even water can be spiked with variouse types of drugs
even fruit drinks and such can also be spiked
...if you think anythings sexual could have gone on, do get a pregnancy test
if not, next time make sure you never share drinks, or mix drinks if you dont know what theyll do...make sure you dont take a drink from other people, even if they insist or offer, ect...and pay attention to your bodys warning signs...if you think somethings wrong, it probably is...call your friends, get someone you trust to come get you...even call the hospital if you think its seriouse

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The only two possibilities I see, if you weren't drinking alcohol or on drugs, is that someone slipped something into your water or you are starting to have memory problems due to your anorexia and the possibility that your brain is not being supplied proper nutrients.

sounds like you popped a xanax and drank on it. that was the only way I didn't remember anything..and I mean ANYTHING one time. I can get even f*ucking wasted and remember a lot of the stuff that happened. yeah thats not normal. someone put something in that water