Hi, I Went Skiing On The Weekend With My Boyfriend,

Hi,
I went skiing on the weekend with my boyfriend, he had too much to drink the night before and we he exerted quite a bit of energy skiing. He ended up throwing up quite a few times after we did a little hike.
His parents are trying to get him to do a heart stress test but he thinks it's not necessary and that he was just dehydrated and out of shape.
Do you have a suggestion?ell