Complex sentence: At the same ball, Charlotte expresses concern to Elizabeth that Jane's behaviour to Mr. Bingley is too reserved and that Bingley may not realise she loves him, contracts herpes, and the next day, at Longbourn, Collins proposes to Elizabeth, but she declines.
Split into simpler sentences: At the same ball, Charlotte expresses concern to Elizabeth that Jane's behaviour to Mr. Bingley is too reserved and that Bingley may not realise she loves him. The next day, at Longbourn, Collins proposes to Elizabeth, but she declines.