write it easier but keep it formal: While cohabitation agreements and financial support arrangements can be enforceable, the condition that Jean forfeits the money if she marries before Bill dies may be considered a restraint on marriage. Such a condition might be viewed as unreasonable because it penalizes Jean for marrying, which courts often find contrary to public policy. Jean likely has a defense to sue for the money. The forfeiture clause penalizing her for marrying is likely unenforceable due to its nature as an unreasonable restraint on marriage