The condition of marriage in the same generation is 1, and the level is above 15. 2. Gender difference. 3. The generation of pets is the same. 4. The condition for marriage of different generations is 1. The algebraic interval shall not exceed 3 generations. 2. Both pets are not related by blood. 3. The proposer must be at least level 20, and the other party must be at least level 65440. Pets should be their friends when proposing marriage, and each Q pet can only propose marriage once a day (the suitor will consume a ring). The suitor made a proposal to the other party at the goat priest in the cathedral, waiting for the other party's reply. After receiving the system message, the suitor went to the goat priest in the cathedral to check the marriage request and choose to accept or reject it.