Quote: But after not saying anything for 3 weeks and being there for all of her stuff for the last 5 months
. What does this mean? You attend events with her? Go out on dates? So you've been going at the love language of Quality Time? maybe? And it has not produced the return you are seeking.
Have you tried Words of Affirmation? Or maybe Physical Touch? I'm thinking physical touch because of her wanting the baby...sitting there holding the baby, touching the baby makes me think she may be craving you to touch her in a way that does not have any sexual connotations to it.