Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. But while it may seem normal to you, your child may be negatively affected by you and your partner's actions.

B. There is no telling when a squabble between a couple may aggravate and escalate into something ugly, which when witnessed by a child, might devastate them gravely.

C. There's no relationship that does not falter.

D. Arguments, disagreements and conflicts are extremely common even in a healthy relationship.