I see your point but you have to take into context her previous inner dialogues, she mentions missing a mans touch, having no relationship and holding onto a 3 year memory. She acts kind of jealous while setting you up with Jill in the library.
She is a lonely woman and the MC is cracking the shell. His call for help might have been help for himself from her. Her tears in the library scene was her struggling with her feeling for him and a memory. Not suicidal thoughts, she is struggling with emotional attachment.
Let’s see how it pans out.