Fiancée’s mother(52F) accused me of things from my(28M) past and made harsh assumptions. Now I’m struggling with trust and boundaries.

I (28M) am engaged to my fiancée (26F). Our relationship has always been warm, playful, and honest. She knows everything significant about my past — including a 3–4 year relationship I had years ago, which ended due to long distance, fights, and caste differences. She accepted all of that and chose me with full awareness.

Yesterday something happened that completely shook me.

My fiancée and I often talk through her mother’s phone for practical reasons, and I usually send her fun Instagram reels. One of those reels was a silly joke about “a good son-in-law and a silly daughter.” It was just playful teasing — no disrespect intended.

Her mother saw it and called me.

Instead of expressing concern normally, she scolded me harshly. She said things like:

• I’m demeaning her daughter because I went to a better college • If I went to Goa with friends, I must have been drinking heavily • I must have bad habits because of my past relationship • I didn’t marry the girl I actually wanted and I’m marrying her daughter under pressure • Basically questioned my integrity and choices

None of these things are true. Her comments felt extremely personal and humiliating.

I apologized multiple times for the reel because she found it disrespectful, even though that wasn’t my intention. I also calmly told her that the assumptions were unfair and hurtful. But the entire conversation left me stunned and emotionally flooded.

Later, I talked to my fiancée. She told me she chose me despite knowing things that she normally wanted to avoid in a partner, and she chose me because I was honest with her. She reassured me that she trusts me and accepts my past.

But she also briefly tried to defend her mother, which hurt. It made me feel like I was standing alone while being judged by someone who doesn’t even know me.

Now I’m dealing with:

• A sudden fear that private conversations might not stay private • A loss of comfort sending her reels or messaging through her mom’s phone • A sense of mistrust, even though she didn’t betray me • Anxiety that these kinds of assumptions will come up again • Confusion about how her mother formed these ideas — overhearing? guessing? • A deeper fear: “Will I be respected in this marriage?”

I haven’t told my parents because I don’t want to escalate things. I’m trying to process it calmly, but my mind keeps spiraling.

My questions are:

1. How do I rebuild emotional safety and trust after feeling misunderstood and unfairly judged by a future in-law?

2. How do I create boundaries (like private communication) without sounding controlling?

3. How do I prevent future assumptions or unsolicited judgments about my past or lifestyle?

4. Is it normal to feel so shaken after one incident?

5. How do I communicate my need for her to stand beside me while still respecting her relationship with her mother?

Any thoughtful advice would mean a lot.