Beginning of week 4- it is looks like in a 2-3 days it will be a time to install a net
End of week 4=> Installed the net. Everything looks good so fare
The plant has gone so long is trying to self-pollinate unless you had light leaks. Since your close to being done I would just remove the nanners and let her keep going. If it's around other female plants, she'll need to be moved to prevent it from pollinating another female.
plant still looks really good! wondering since your catching some bananas now did you see anything growing lower on the branches where the larfy stuff would be