So intense is this wish that if I write the word husband on a piece of paper, my eyes fill with tears. (Para. 1)
Notice that this is an inverted sentence. The usual or common order of it is: This wish is so intense that if I write the word husband on a piece of paper, my eyes fill with tears.
intense: very great; very strong (this is a word learned in Unit 5 B.)
Intense pain can mean serious damage. 有剧痛说明伤得很重。
I cannot stand the intense heat here. 我受不了这里的酷热。
fill with: (cause to) become full with
Mother filled my plate with food. 母亲在我盘子里放满了食物。