Married life isn't always peaches and cream - they're starting to face everyday little challenges.

peaches and cream 是一个英语习语，字面意思是"桃子和奶油"，用来比喻"完美和谐、甜蜜幸福"的状态。这个表达源自桃子和奶油搭配在一起的美味口感，引申为形容事物或关系的理想状态。