加州有长短婚姻；拿支持不一样；大于10年可以

• Short-Term Marriages (<10 years):{C}{C} Courts generally presume that spousal support will be paid for half the length of the marriage. (For example, an 8-year marriage would likely involve 4 years of support).
• Long-Term Marriages (≥10 years): The court retains the jurisdiction to order spousal support for an indefinite period of time. However, this does not mean lifetime support is automatic. It simply means the judge keeps the legal power to modify or terminate support as circumstances (like retirement) change