Build trust in the relationship. Be reliable, keep your promises, and respect her boundaries. When she trusts you and feels secure in the relationship, she'll be less inclined to get too close to other men.
Boost your own self - confidence. Work on yourself, whether it's physically, like going to the gym, or mentally, like learning new skills. A confident you will be more attractive to your wife, and she'll focus more on you rather than other men.
Set clear boundaries. Let your wife know what is acceptable and what isn't when it comes to interacting with your friends. For instance, no overly flirty behavior or private outings without you.
One way is to make sure you are always involved when they interact. If there are social gatherings, be there. Also, build a strong relationship with your wife so that she values your relationship above all else. You can plan regular date nights and keep the romance alive. This way, your wife is less likely to be attracted to the attention of your friend.
One way is to set clear rules from the start. Let your wife know which behaviors are acceptable and which are not when it comes to interacting with your friends.
You could set clear rules before going out. For example, tell her that she should maintain a proper distance from your friends when she's drunk.
Set clear boundaries from the start. When you introduce your wife to your friends, make it clear that she is your partner and there are limits to how they interact. For example, don't allow overly flirty or private conversations.
First, you should have an open and honest conversation with your wife. Ask her about her relationship with your boss and express your concerns. For example, say 'I've noticed you and my boss seem very close lately, and it makes me uncomfortable.'
Set clear boundaries from the start. Let the students know that your family life is private. Also, avoid situations where your husband has too much interaction with your students.
Before the party, you could talk to her about having a limit on the amount of alcohol she drinks. Maybe suggest alternating alcoholic drinks with non - alcoholic ones.