Its extensive findings shed needed light on family arrangements relatively new to the literature (e.g., cohabitating stepparents), the effects of these relationships on different family members (e.g., stepsiblings, stepgrandparents), the experiences of gay and lesbian stepfamilies, and the stigma against non-nuclear families. Gay and lesbian relationships have the same long-term success rates as heterosexual relationships, so that's not an issue. There's that legal stuff looming, Stepping Stones. In some ways, a gay stepfamily is less cross-cultural than most stepfamilies; there are, after all, no cross-cultural gender issues to deal with. hello all.. I am looking for some support. I am in a new relationship and my partner has a wonderful 4 year old daughter. I would just like to have.