Understanding the other person's point of view- This allows you see and feel where he/she is coming from and then respond in a way that respects his/her personal opinions, needs and desires. Never tell him/her “you’re wrong”.
Make him or her feel needed and appreciated- Everyone wants to feel important, right? When your partner specifically points out that you're smart, beautiful, hard-working, etc., it puts you in a positive, content state of agreement. It's much easier to persuade your partner after boosting his or her self-esteem.
Back up your theory- Relate it to something that worked out for them in the past
Speak to your partner- Do this in a way that honors whatever decision he/she ends up making (reassurance that you’ll still love them no matter what)
Be honest about how the result will make you feel. Your partner should want you to be happy and if you speak to emotion rather than fight to be right, you’ll have a much better chance of winning him/her over
Reciprocate- Do something nice for your partner or promise something nice if he/she complies to your request (make a trade)
Make a conscious effort to instill good feelings- Promote good feelings the 24 hours before you try to persuade them
Give him or her a visual- Show your partner a picture of the positive impact his/her decision can make on both of your lives
Reason with your partner- Provide him/her with back-up reasons as to why this decision is so important to you.
Give your partner time to think- Tell him/her far ahead of time so he/she has time to sleep on it
Put your partner in a “yes” state- Right before persuading, ask him/her multiple questions you’re fully aware will receive a “yes” response.