NinjaPoodle,
I learned to ski at age 5 and have been skiing for 35 years. Double black diamonds are no biggie for me.
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Be sure to know the "Skier's Responsibility Code" (VERY IMPORTANT!)
1. Always stay in control.
2. People ahead of you have the right of way.
3. Stop in a safe place for you and others.
4. Whenever starting downhill or merging, look uphill and yield.
5. Use devices to help prevent runaway equipment.
6. Observe signs and warnings, and keep off closed trails.
7. Know how to use the lifts safely.
KNOW THE CODE. IT'S YOUR RESPONSIBILITY.
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Also, never stop on a hill where people above you cannot see you, when they crest the top --- it's a collision waiting to happen.
You may find learning to snowboard easier as there is less "going on" (no poles, etc.). However, good for you for giving skiing a try.
Other tips: mittens will keep your hands warmer than gloves and you will need sunglasses for sun conditions and goggles for snow conditions (have
BOTH at the ready, conditions can change very rapidly).
Do take a "Learn to Ski" lesson. It will be more fun for you and less frustrating for the more experienced skiiers (otherwise, they will waiting for you at the bottom of each run -- I'm not the most patient person myself

). Or take a lesson yourself in the morning and meet up with them for lunch and then ski together in the afternoon.
Lastly -
don't go digging in your pockets for stuff on the chair lift -- many a skier have dropped a pole, cell phone, wallet or mitt off the chairlift and have had to ski back down the same run looking for it Just sit tight and wait until the end of the chair lift ride to check your cell phone or whatever you needed to do.