I started blw with ds2 a month ago (he's now 7 months), and I think it's going ok. He picks food up off the table (if it isn't too slippery, or else I can hand it to him), get it in his mouth, and give it a chew. Some gets swallowed and some dribbles out the front. Sometimes though, he'll sit there for ages, with the same food in his mouth. He'll have finished eating, but will still be mushing the food about in his hands, but do I just leave the food in there indefinitely (well, not really indefinitely, but you get my drift)?
Sometimes he's had a dirty nappy in the middle of mealtimes, and if he's getting distressed then I'll change him without waiting for the end of a meal. I don't want to lay him down with food in his mouth incase he chokes, but if I hook it out with a finger (sometimes easier said than done), then he's not learning to swallow food himself. He's started getting more dirty nappies whilst eating, so it's almost as if he's getting fewer opportunities to swallow, but I don't want to leave him in a dirty nappy for half an hour or so, until he finally swallows the food.
What do you do in similar situations?