You can read about The Life of St. Lydwine of Schiedam written by Thomas a Kempis (the one who wrote the Imitation of Christ, this book was the favorite of St. Therese of Lisieux).
saintsworks.net/books/Thomas%20a%20Kempis%20-%20St.%20Lydwine%20of%20Schiedam.pdf
St Lydwine was bedridden all her life, from a very young age because of skiing accident. And many come to her to ask her prayer and were healed, but she herself was never healed.
The Story of a Soul - St. Therese of Lisieux:
basilica.org/pages/ebooks/St.%20Therese%20of%20Lisieux-Autobiography.pdf
Counsel and Letters - St. Therese of Lisieux:
basilica.org/pages/ebooks/St.%20Therese%20of%20Lisieux-Counsels%20and%20Reminiscences.pdf
basilica.org/pages/ebooks/St.%20Therese%20of%20Lisieux-Letters.pdf
St. Therese of Lisieux had tuberculosis, and at her death she suffered very much.
The Diary of St. Faustina Kowalska - Divine Mercy in my Soul
saintsworks.net/books/St.%20Faustina%20Kowalska%20-%20Diary.pdf
She suffers form the unfriendliness and misjudgement from her fellow sisters, and she endures sickness too. But she bore it all for the love of Jesus and salvation of souls.
Life by St. Teresa of Avila
basilica.org/pages/ebooks/St.%20Teresa%20of%20Avila-The%20Life%20of%20Saint%20Teresa%20of%20Avila.pdf
She was sick and paralyzed when she was young (about 20), and was cured through the intercession of St. Joseph.
You know all of the saints suffer in one way or another, they become like Jesus. Jesus suffer too, on his passion and death on the cross, and during his life, where many people hate him without cause, calumniated him, slander him.
You should read the lives of the martyrs. They suffer … like St. Ceacilia, she was beheaded for love of Jesus.
The three Children of Fatima, one of them was blessed jacinta and when she was around 9-10 years she was threatened to be fried in oil because of the apparitions, the people thought she was lying. But worse, her mother thought so too. She died at a young age, 10 because of an epidemic, along with blessed francesco.
Here is the book, Fatima, in Lucia’s Own Words (Lucia was one of the three children):
pastorinhos.com/livros/en/MemoriasI_en.pdf
You should read the books written by the saints, and you will know that they too endure crosses and sufferings just like us, but they bore it all for love of Jesus and salvation of sinners.
Most of the saints books are available online, for free
saintsbookscatechisms.blogspot.com/
May the merciful Jesus bless you