need advice

[shortcake2386]

i am EPing for dd, almost 3 months. she cant suck so she gnaws BM put of bottles. ive been pumping ever 2 hours, 4 at "night". i have 3 other kids, 1 years, 4 years and a homeschooled 6 year old. im exhausted. im waiting on an order of dom to arrive but im not making enough milk. im 4-6oz short a day( have donor milk). im tired. i just need some encouragement. will it get easier?? she has health issues and typically screams most or all of the day. im at the end of my rope. dh is gone 12 hours a day and the house is a mess. did i mention im tired? someone give me some magical advice that makes me keep going. please