back to work

my baby is 4.5 months old I returned to work I’m a nurse so I work 12 hours shifts being in the pandemic I never left her side once since there is nothing to do and i was lucky enough to have my husband do the grocery shopping so there was no need to be away from her I came home from my first shift and she could care less that I was home 🥲🥲🥲 I was so sad when do babies get excited or is this abnormal