Aspie in a Group or a Party situation

Some Aspies (including myself) gets uncomfortable or outright panicky in group or a party situation.   I've found following can exacerbate the situation:

1.   Dehydration

2.   Noise, lighting

3.   Unfamiliar venue

4.   No one else you know and who can help out.

5.   Length of time.   Some NTs are willing to spend 3+ hours together, talking strangely irrelevant and uninteresting things between themselves.   It becomes exhausting pretty fast for Aspies.

So before going into these situations, be prepared:

1.  chart out the venue in advance, including women's rooms.    

2.  drink lots of water, to stay hydrated and provide excuse to go to women's rooms where you get to relax a bit.

3.  Is there anyway to block out noises?   Ear plugs are sometimes an ineffective and too obvious solution

4.  Always go with someone close, so he/she can help you engineer an escape

5.  Always schedule something else 1 hour after the party event, so that you can say "Unfortunately i have this other thing to go to"

Anything to add?