I have a solitary eggplant that has several fruit growing (picture below). It's not terribly tall, in part because of the more successful squash nearby, but my soil is very good quality (amended with 3" of mushroom compost this year).
How many eggplants should I let it grow at once? Should I let all of them develop, or cut most of them off? Is the plant even big enough to allow it to make any fruit?