MIL has accused me of cheating on DH!

[DillyDingDillyDong]

I've been losing weight and trying to get my confidence up a bit with a new hair do, new clothes, make up, nails eyebrows etc. I have felt really frumpy since DS (1) was born so thought I'd try and give myself a boost.

It's really worked and I am starting to enjoy the occasional meet up with friends which I wouldn't do before. I used to make excuses as I felt like a fat mum! DH has noticed a change in me and even though he says that he loved me the was I was I know he likes the more confident me better. I'm more like the person I was when we first started going out.

I've joined the gym and got a personal trainer, let's call him Paul. Paul called me the other day when MIL was here and I went in the other room to answer. I made plans to see him at the gym the next day for a session. I came back in and MIL had clearly been trying to listen in. She asked who it was and I just said it was someone from the gym.

This weekend a friend of mine has booked last minute flights home and has arranged a last minute get together. DH was invited too but he has plans so I said I'd stay with DS and see the friend Sunday morning instead. DH decided to call MIL to see if she could have DS for a couple of hours on Saturday while we're both out. DH came back in and said in a really serious voice "I think we need to talk."

I started to worry and he said he'd spoken to MIL and she thinks I might be hiding something and if I am I should tell him now. I was a bit taken aback and couldn't think what he meant. He must have saw my worried face because he burst out laughing and apologised but said that MIL has just told him I had lied to her about speaking to a man named Paul and arranging to meet up with him while DH was in work. She said he should get evidence of me meeting this friend as she thinks there is something going on. He obviously to,d her she was being ridiculous and she said that its the only way to explain the sudden change in appearance and all these afternoons/nights out. (I've had maybe four over the last two months)

He said that he trusts me and he knows I'm not cheating on him and that he was annoyed that she had came to this conclusion without talking to either of us first, but also said that it isn't any of her business what I get up to anyway. She said she was just worried about him and DS and doesn't want to have to pick up the pieces when I leave.

DH was angry at first, but obviously couldn't resist winding me up, and now finds the whole thing so ridiculous it's funny. I am sat here fuming that she came to that conclusion and has accused me of cheating!

Would it be unreasonable for me to call her and give her a piece of my mind?

Roundabout
When the vast, vast majority of people hire a PT, they do so because they want more than an hour of mild exertion a week

And a good PT can modify their training methods to push the buttons of their client

So when DH goes to his PT, he says things like 'you are amazing and doing so much better than I thought you would do this week'. And that motivates DH because that is his personality type.

And in my PT sessions, I get 'I would say do 15 of reps but I think you'll be better doing 12' or 'shall we use the 20 or 25kg for this? Shall we start with the 20kg?'
And I'll do 15 reps with 25kg because that's how my mind works.

So don't be so narrow minded as to assume that if something doesn't work perfectly for you, it is totally inappropriate for the entire world. It is a form of teaching, and good teachers adapt their methods for their student.

But I didn't at any point say, or even imply, that it was inappropriate for the whole world, sparechange, just that I could understand why the mil could have found it weird and that I personally would hate a PT to phone me up to persuade me to make another appointment I hadn't asked for.

On the basis of what the OP described initially, she gave the impression she left her mil all alone in a room whilst she went to talk to her PT, which imo is a bit of a rude thing to do to a guest; that he had phoned her out of the blue to try and persuade her to make an appointment on a day when she already had spinning class, which seemed a bit pushy; and that she had possibly sounded a bit evasive when asked by mil who she was talking to. She subsequently explained that the fil was there too, so mil was not left sitting like a lemon while dil went off to talk to someone more interesting; the PT did not ring out of the blue, because she had already said she wanted an appointment that day; and she didn't think she sounded or was trying to be evasive when she told mil it was just someone from the gym. If she doesn't find the PT pushy, then that's fine and dandy, but she was wanting to know if her mil's interpretation of the situation was utterly unreasonable, and I explained why the mil might have found it a bit odd without being a deliberate shit stirrer. Subsequent clarifications, however made it clear that it is unlikely the OP actually did come across as deliberately secretive or evasive.