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Mumsnet has not checked the qualifications of anyone posting here. If you need help urgently or expert advice, please see our domestic violence webguide and/or relationships webguide. Many Mumsnetters experiencing domestic abuse have found this thread helpful: Listen up, everybody

My sister’s boyfriend is innocently texting me about a surprise for her

54 replies

Mango213 · 16/01/2026 00:36

Sorry I’m young and in need of some advice.

Ok so context, this is about my twin sister (F20). she has recently got her first boyfriend (M21) and they’ve been dating for only around 3 months. Now neither of us have had boyfriends before and I don’t have many close friends so i’m unclear of any ‘rules’.

I’ve met him only once and it was brief and quick (just a hello really). But just yesterday, the boyfriend found my social media’s (we aren’t following each other or anything) and he started texting me asking questions about certain interests my sister likes because he has a few presents and surprises in mind. I’m not sure what the occasion is, but regardless, he seems to come across like this is normal and that’s good. He’s a nice person.

So- I’m wondering if I should tell her that he has been texting me. I definitely don’t want to ruin any surprise he has and I’m more than happy to help him. But, because she knows we barely know each other and don’t even follow each other, I don’t want her to look over at either of our phones when she’s with one of us and see we have been in contact, and then think something shadys going on.

Me and my sister tell each other everything. I’m good at secrets if it’s for a present but I don’t want her thinking we are talking about her behind her back and she’s out of the loop. Do I tell her or leave it be? Is it a big deal?

OP posts:
Morepositivemum · 18/01/2026 13:36

Oh my god so many people have forgotten what it’s like to be early twenties and all about the new relationship!! In college I remember us all planning eg 3 month anniversary’s or valentines days together, some of the girls used to do things like 20 small presents (their favourite shower gel or chocolate bar) and wrap them up etc.

dnadiscoveryquery · 18/01/2026 13:44

As a near 50yr old, I think it’s really sweet. He just wants to get it right, and you can show her the messages after the event and discuss how sweet that was x

WimbyAce · 18/01/2026 14:33

Hopefully it is fine unless he starts sending you winking emojis (if people still do that 😅)

GiddyRobin · 21/01/2026 01:31

I'm surprised people aren't commenting more on the identical twin thing.

It's probably 90% likely that he's just being sweet, but I absolutely would keep a wary eye out. Men can be fucking weird about twins. I knew twins (women), and they were both, on multiple occasions, approached for threesomes by men they were dating. It sounds disgusting because it is disgusting, but this is the sort of thing that goes through some porn addled sorts heads when twins are involved. It's a well known fantasy.

I'd just keep an careful eye.

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