Getting married, having children, and living in separate residences increases the likelihood of improving sibling relationships in adulthood.
Due to adults' realization that children benefit from knowing their aunts, uncles, and cousins, having children frequently brings siblings closer together.
Siblings in their early to mid-20s also interact less and spend less time together than they did when they were younger (Jensen et al., 2018; Lindell, Campione-Barr, & Killoren, 2015; White, 2001). Adults may become more invested in their procreative families and careers in their middle years.
Real relationships exist between siblings. Siblings frequently share a home, parents, and a variety of memories and experiences as they grow up.
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