Sidorowicz v. Sidorowicz

*738A party seeking modification of an existing custody arrangement must show the existence of such a change in circumstances that modification is required to ensure the continued best interests of the child (see Matter of Sparacio v Fitzgerald, 73 AD3d 790, 790-791 [2010]; Matter of Russell v Russell, 72 AD3d 973, 974 [2010]; Trinagel v Boyar, 70 AD3d 816, 816 [2010]). Those best interests are determined by a review of all of the relevant circumstances (see Eschbach v Eschbach, 56 NY2d 167, 171 [1982]; Matter of Ross v Ross, 96 AD3d 856, 857 [2012]). Here, after a hearing, the Family Court, in…