When not to pull a plant?

[mysidx]

I'm a little down, because I noticed my captain Lucky wasn't growing as tall as the other plants and then noticed the leaves starting to look deformed. I am not experienced enough to spot a virus or disease quickly nor do I even know what this could be, but I have noticed now that a couple of leaves on my LizBirt which is twice as tall and loaded with fruit next to Captain lucky show similar traits. I hear of people pulling plants and discarding them at first sign, but what about when some plants are loaded with baseball sized fruit like my Lizbirt or Cowlick which is next to it? Couldn't I just ride it out in hopes of my fruit ripening before damage is done? Don't some diseases/viruses take hold yet you can still salvage the fruits? I don't know what I should do....Most of my plants are already giving ripe fruit and are nearly seven feet tall. Any suggestions would be helpful.