DH gives his ex wife £150 a month maintanance for their 2 DCs. Just lately she's been asking for him to contribute to this, that and everything else despite the fact that she's got the maintanance. Last night she got her DS to text DH asking him to contribute towards a school trip abroad and now today she's sending him a message asking him to contribute towards a school trip for their other son. Despite this she's booked a holiday abroad for next summer hols and no doubt we'll be expected to contribute towards that too despite the fact that we, as a family can't afford to go anywhere!
AIBU to think she's taking the piss?