Complex sentence: This admission is particularly shocking and hurtful to Pete, as Trudy appears to be infertile and wishes to adopt, an idea that Pete initially rejects, reconsiders, and then vehemently rejects again.
Split into simpler sentences: This admission is particularly shocking and hurtful to Pete, as his wife appears to be infertile. Trudy wishes to adopt, an idea that Pete initially rejects, reconsiders, and then rejects again.