What should I do before anal sex?

Simple steps really.
1) clear out your system, take a poop, maybe even an an enema to need to clear it all out
2)use plenty of lube
3)start slow then gradually go faster
4)don't go straight into penis into the anus, start with a finger,work your way up from there
5)start on your side then venture into other positions (lying on your side is relaxing and you need to be relaxed
6)if it really really hurts stop
7)avoid high fiber foods and also meat throughout the day leading towards it

Sorry that they are out of order btw

Whats FWB? I don't get anal, its boring - and smells bad - and a turn off

The very first thing you must do is try to defecate as much as you can. Try this early morning and drink plenty of fluids but don't starve yourself. The less poo, the better. Next, use an enema to flush out everything from your rectum as possible. One bottle should be enough but two will do the job well especially if have been drinking a lot in a 2 or 3 day period.

No matter what you have seen in the pornos, YOU MUST HAVE LUBE! There are two kinds that will work: Water based and gels. A gel works best because it is not so messy, I suggest using the brand KYJelly. You only need just a very small amount. The water based ones gives you much more lubrication but it also makes a mess in the long run.

Now on the to good stuff. As you well know, the anus is far more tighter than the vagina so during the initial penetration, you MUST go very slowly and I mean real slow. Make sure your man understands this. You must also be very comfortable and relaxed physically, no tightening of the pectoral muscles should happen or it's not going in no matter how much lube you use. For easier penetration, be on top. That way you can control it if your man gets a bit too anxious. Finally wear a condom. I know it sucks but nothing worse than a glob of poo on a man's thingy. Seen it happen. If this does however happens, STOP! Your bowels are still loaded and nothing can be done for now. Additional flushing is not recommended as you may suffer dehydration. If all works out fine, then you will enjoy ecstasy!

Do not do this at night and more than 20 minutes total. On of my dates complained that her butt was so raw, she couldn't sleep at night. Best to do this during daytime and not consistently. Always remember to use lube. KYJelly can be ordered online for a good price, never buy at an adult bookstore, they charge high prices.

Have fun!

- clean yourself well (assuming of course YOU are the one receiving),
- try and relax while doing some stretches (splits are helpful),
- warm-up the lube (as in temperature-wise for comforts sake),
- you may want to make sure you use a specialized lube for this purpose -- stay away from Crisco, Vaseline and WD-40(it may say it's a "penetrant" but it's NOT what you're thinking),
- bring plenty of towels, or tissues (you'll want to wipe off the icky-feeling lube afterwards -- unless you plan on immediately showering afterwards),
- and most importantly, make sure you drop the Cosby kids off at the pool first.

Plenty of lube my dear and relax. Try lying on your side 1st and take it slowly and then you can do other positions when you feel comfortable

Make sure he is willing to stop if it hurts you.

Make sure you've. Ahem, crapped that day, and don't have to go again. Probably having a shower before seeing him would freshen you up.