阅读下面一篇短文，根据所给情节进行续写，使之构成一个完整的故事。
Love is just a thread
Sometimes I really doubt whether there is love between my parents. Every day they are very busy trying to earn money in order to pay the high tuition for my brother and me. They don’t act in the romantic ways that I read in books or I see on TV. In their opinion, “I love you” is too luxurious for them to say. Sending flowers to each other on Valentine’s Day is even more out of the question. Finally my father has a bad temper. When he’s very tired from the hard work, it is easy for him to lose his temper.
One day, my mother was sewing a quilt(被子). I silently sat down beside her and looked at her. “Mom, I have a question to ask you,” I said after a while. “What?” she replied, still doing her work. “Is there love between you and Dad?”
My mother stopped her work and raised her head with surprise in her eyes. She didn’t answer immediately but continued to sew the quilt.
I was very worried because I thought I had hurt her. I was in a great embarrassment.
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