Answer:
Well I would say Money ,time, and energy
Step-by-step explanation:
First you need to have engogh money to provide the necessity for a child as food, houseing, and clothing.
Second there might not be engogh time to spend with the child to take proper care and make a strong relationship with, this is common with single parents.
And third the energy taken to spend time and work hard to accumlate the money to provide neccessity for a child may leave a person weak a no energy.