The simplest rule is that positive and negative sentiments both overwhelm neutral ones.
最简单的规则是，积极和消极情绪都会覆盖中性情绪。
2
The "5 to 1 Rule" states that for every negative interaction that you have with a person, it will take five positive interactions to bring the relationship into equilibrium.
5对1法则说的是每一个在人际交往中产生的消极的互动，将要用5个积极的互动来弥补使人际关系平衡。
3
Create the same rule for yourself or even your family members. Whenever you catch yourself thinking negative thoughts blast them with 5-10 positive things about that particular day.