我安心因为他在我开心因为她好
[wŏ ān xīn yīn wéi tā zài wŏ kāi xīn yīn wéi tā hăo]
Expresses peace (安 - peace) because the subject feels safe (心因他在我) because someone special (he) brings tranquility. Also indicates joy derived from others' well-being or good fortune (她在她好- she's okay). Overall, it conveys reassurance drawn from the company of specific people.