We need to stay curious. It sounds like a stupid thing to say, but there is no single way to do improv.  We need to see, absorb, steal and cross-pollinate. We need to keep seeing shows, and not just the shows you know you love, but also the shows you think you’ll hate. The shows that are weird, or if your show is weird, the show that is normal and conventional. And we need to encourage others to do the same. You don’t have to love everything; in fact, it would be strange if you did. But the more you know, the more you understand and the richer your work becomes. Some techniques and styles work for some shows and not for others, some appeal to some audience members and not to others. Getting too far into a single style can make you blind to another, so we need to watch as much as we can and get as close as we can to the naive eyes of a new audience member.