My son Max

My oldest son's name is Maddox Michael, or Max for short, and he is 18 months old, as of Dec. 3rd, 2009. He is very advanced for his age, and is more like a 4 or 5 year old in alotta ways, how he talks, what he understands, and stuff like that. He is also big for his age, about the average size of a 3 year old.
He loves playing with legos, reading, writing, doing puzzles, playing board games, watching TV, listening to music, and going to pre-school.
He also is loving being a big brother, and he is very helpful. With his baby brothers.
BACKGROUND INFO:
He was a small baby at 6 pounds even and 18 inches long and was born exactly 2 weeks early.
At 2 weeks old: 7 pounds, 2 ounces and 18.5 inches.
At 4 weeks old: 8 pounds, 3 ounces and 19 inches.
At 2 months old: 11 pounds, 5 ounces and 21.5 inches.
At 4 months old: 15p, 8o and 24 in.
At 6 months old: 18p and 26 in.
At 9 months old: 20p and 27.5 in.
At 1 year old: 28p and 34 in.
At 15 months old: 30p, 2o – 38.1in.
At 18 months old: 31p – 38.5in.
He was early with all of his firsts:
Rolled over from tummy to back at 7 weeks, 1 day.
Rolled over from back to tummy at 8 weeks, 1 day.
Belly crawled at 3 months, 6 days.
Sat up unassisted at 4 months.
Got into a crawling position at 4 months, 12 days.
Crawled for the first time at 4 months, 2 weeks, 6 days.
Could crawl well by 4 months, 4 weeks.
Learned to pull up to his knees by 5 months, and to a stand 4 days later.
Learned to crawl up the stairs at 5 months, 1 week, and down the stairs at 5 months, 2 weeks.
Could cruise around furniture by 5 months, 3 weeks.
Could stand on his own by 6 months, 1 week.
Took his first steps at 6 months, 3 weeks and could walk well by 7 months old.
He could run by 8 months old.
He also learned to talk early:
He said his first word at 4 months old, his second at 4 months, 9 days, and his third at 4 months, 12 days.
He could say about 300 words by 8 months old
He could talk in broken sentences (5 or more words strung together) by 10 months old.
He could talk in complete sentences by 13 months old.