Rest In Peace our Second Tomato Plant

Okay, okay, we give up! My mother was a great tomato plant grower. We are letting her down. This is our second attempt at being tomato growers, and we failed! We have killed this one. We don't know what we did wrong, but we are not going to plant any more. We are very sorry. Everything else we planted has done very well, BUT this one is a big puzzle. Jenny, now you have to bring us at least one little tomato from your crop. Please!!!!