Put on headphones, listen to music to calm yourself and block out all the other people. If you have really bad social anxiety, it's up to you to determine if you can handle it. Casinos are generally pretty crowded with lots of lights and noise. Could be intimidating for you. If you can, go in the morning on a weekday when it won't be so crowded and just check it out. There may be only 1 or 2 tables going, which would be perfect for you. Also, it is perfectly natural for a player to sit at a table and never converse with those around you, especially if you have on headphones, so don't feel like you would be obligated to carry on a conversation. Just remember to tip the dealer when you win a big pot.