Driving by Braille (2011)

Sarah Corso thinks that she's happy and content with her boyfriend, Xander, a young man who thinks he knows what he wants. But then Sarah finds herself suddenly terrified by the prospect of Xander proposing marriage.

Though she loves him and wants to spend her life with him, Sarah is deeply afraid of turning out like her mother, who had the normal progression of love, marriage, kids, etc, right up until the day she suffered a psychotic break and abandoned her two daughters. Now Sarah and Xander, alone and with the help of their friends and family, have to work through the fear and anger holding them apart, just to see if theres anything left of their love on the other side.