Your insecurities are showing. You shouldn't be threatened by the millions of guys on tinder if you have a good relationship with your girlfriend. And just accept, you're never going to remove her sister's influence from her life. Which is what you really want to do.
What you really need to do is just make small comments to keep your girlfriend's head in check. A long discussion, or worse getting angry, is only going to hurt you.
On the car ride home just say, "I'm glad I've got you and don't have to deal with all of that bullshit." This will influence her more than her sister's million guys. Small comments like this are the best way to go.
What you really need to do is just make small comments to keep your girlfriend's head in check. A long discussion, or worse getting angry, is only going to hurt you.
On the car ride home just say, "I'm glad I've got you and don't have to deal with all of that bullshit." This will influence her more than her sister's million guys. Small comments like this are the best way to go.