He has 4 teeth (16 to go...)
...and a very infectious laugh.
Tristan is very proud to carry him round (although as you see Sam doesn't necessarily like it!) - although its getting more and more of a struggle as he weighs more than half as much as Tristan (about 91/2 kilos).
We have a few first sounds 'up', 'mama', 'there' and bye bye' are roughly there if you know what you are looking for!