Taurus knows that they have found THAT person because they no longer question their feelings every time. You have already stopped feeling that pressure in your chest and have released all your fears. Now Taurus feels that, at last, all the effort has been worth it and that confessing everything he felt for that person was not bad at all. Finally, Taurus feels calm, he can walk without having that weight on him, and he has realized that everything happens for a reason. You have finally found that person you can fully trust without questioning everything you do.Now Taurus is no longer afraid of knowing what is going on in that person's mind. He no longer wonders if he will walk away and leave him or if he will remain true to his feelings.
When Taurus has found that person, he realizes that he can trust the love he gives him. He has realized that he has been a totally different person during this time.
A smiling person, wanting to live life without fear of their feelings and wanting to share moments with THAT person. Taurus had a hard time admitting that he was madly in love, but once he did, he was a totally different person. You know that you have found the ideal person because it gives you a sense of security, confidence, and happiness that you have never felt before. Taurus has suffered a lot throughout his life, and when he meets THAT person, he realizes that all the suffering has finally been worth it.