Sometimes he doesn't like getting ready for the pool, but he likes it once he's in:

From Salem-10 weeks old

and here's a video of him laughing. did you know that babies don't laugh when they are first born? they hardly even smile. tickling doesn't seem to do anything to them at all - maybe a puzzled look or cry. But now that he is a big baby, yes 12 weeks old, he laughs not only at tickling, but at funny noises. He has also been exploring his voice in other ways - not exactly babbling, but different kinds of cries and whines and coos, even the occasional shout.