My boyfriend and I (7 years together, both mid-twenties) really enjoy hiking together, especially after an awesome trip to the Alps last summer in which we did some challenging trails.

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This summer, he has his sights set on a notorious ridge trail that we decided was too challenging for us last year. It is known for requiring a lot of endurance (a 10-12 hour day even if you're in good shape) and having a few spots that are pretty dangerous - as in you need to have great balance and solid footing if you don't want to fall to your death from a narrow ridge. While most of the trail is set up with cable ropes where you can attach carabiners for safety, these few spots are not. Beginners and people who aren't sure they're prepared for the difficulty are strongly discouraged from crossing the ridge. 

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My boyfriend really wants to do the ridge this summer, but I don't feel I'm experienced enough to do it (we have about the same experience level, actually I am a little more experienced than he is). We are both training for a summer of hiking but I'm not confident that I'll feel ready to take on the ridge so soon. He said that's fine, he will just go by himself. I told him that I thought he was underestimating the difficulty level and I would be upset if he went without me because I would ultimately like to go - NEXT year after another summer of gaining more alpine experience on less hazardous hikes. He is upset at me for 'forbidding' that he go by himself, whereas I don't see why he can't just wait a year so we can go together.

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AITA for being mad if he climbs the ridge without me this summer?