Add spaces: MostchildrenwithHirschsprung'sdiseasehavealwayshadsevereproblemswithconstipation.

Answer: Most children with Hirschsprung's disease have always had severe problems with constipation.

Add spaces: Histhinkingisamainfactorinthedrama,thenhewillevaluateandfeeltotheutmosteverytimehehasthechancetolove,minimizesthecourseofhisromances.

Answer: His thinking is a main factor in the drama, then he will evaluate and feel to the utmost every time he has the chance to love, minimizes the course of his romances.

Add spaces: Balancedweightdistributionensurescomfortableandsafeguidance.

Answer:
Balanced weight distribution ensures comfortable and safe guidance.