In re B_ S_ L

OPINION

CADENA, Chief Justice.

Respondent, mother of the two minor children involved in this case, seeks reversal of an order removing her as managing conservator of the children and appointing ap-pellee, respondent’s former husband and father of the minors, managing conservator. Petitioner and respondent were divorced on July 30,1976. The divorce decree named respondent managing conservator of the children, and petitioner thereafter filed this proceeding seeking modification of the custodial portions of the prior decree.

Respondent first complains of the exclusion of testimony which related to…