I have read all views on this so far and see every ones point. I have really appreciated all opinions. my mum reckons to see what my sister thinks and she might actually be ok with it but my mum and sister usually think the opposite of each other.
MIL is not normally sentimental at all. She would tell DP all the time that if he didn't want to go to such and such's wedding/funeral/birthday/Christmas lunch dinner or breakfast he doesn't have to and funerals.. Well no one should go to funerals because people can be so over dramatic with all their wailing and carry on. But DP has learnt that sometimes even if you don't want to you should go to certain events out of respect.
She can be very inconsistent at times and I am finding it difficult trying to work out why it is so important to her to go to this wedding. it's not something she is normally interested in but she is being very persistent.
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