I've never been successful with tomatoes.
Years ago I tried raising citrus trees.
I did a great job but they never bore fruit.
One day I was talking about the trees to a dancer at the Church right after playing in VIP. She was from Brazil.
She told me to stop feeding and watering and pampering the trees.
I took her advice and the next year I had more fruit than I could give away.
What I got from that was the trees need a little stress to want to re-create. In my case....it worked.