Thai meals are typically eaten with a spoon and fork — chopsticks are for noodle dishes only. It's common to share multiple dishes placed in the center of the table. Never put chopsticks upright in rice, and always try a bit of everything offered.
ขอบคุณ (khob khun) — Thank you, เผ็ดไหม (phet mai) — Is it spicy?, อร่อย (aroi) — Delicious, เก็บเงิน (kep ngoen) — The bill, ไชโย (chai yo) — Cheers