Mummies with 2 children

I have a 5 week old and 2 year old and I am exhausted!!!!

My toddler is very strong willed and has a few tantrums a day.

My baby has fed 2-3 hourly every night since he was born and I'm getting to breaking point.

My husband works night shifts and went back to work last night and I had a hell of a night with the baby. It got to the point where I regret having a 2nd child.

Anyone else in similar situation?