Yes please

David: Yes
Simon: Yes
D: Please
S: Pwease
D: Yes, please
S: Pwes, yease
D: Good job!

Simon's language is actually coming along very nicely. He understands most questions asked of him and is able to answer in some way. His "please" and "thank you" are very good. He regularly uses two-and-three-word sentences like

"Done daddy car?" ("are we done in daddy's care" (ie, "have we arrived?")
"Watch daddy!"
"I don't want to!"
"Why, daddy?"

This last one is particularly interesting. As I recall, Simon is not yet at the typical "why" age, but he has picked the habit up from David. He is picking lots of age inappropriate things up from David. His imaginative play is far more advanced than David's was at 23 month because he spends so much time imitating his big brother. So as David gets more elaborate with lego play, super hero play and the like Simon is right there with him soaking it up. I predict that this, along with the generally lower level of directive attention we give, could contribute to him being a more imaginative of the two.

Later imaginary friends