Welcome to HCM
You are a young and have a 19 months old daughter. You have symptoms of excessive sensitivity, rejection sensitivity, crying spells and some time also suicidal ideation
and ideas of self harm. Most likely these symptoms are due to depressive disorder. Please talk to your family members and visit a Psychiatrist
for evaluation. Medicines as SSRI, SNRI
etc are used in depression
. Non medicinal treatment like Cognitive Behavior Therapy is also useful.
Hope it helps you.