Most Helpful Guy
Fuck yess that's too big of an age gap. But it's not about the years, its about the stage of developement you are in.
You are becoming a young adult who should be looking at education and future career options, he should be a whole life stage ahead of you having finished education... and gotten a job and lived alone for a bit... and now looking at long term career and starting a family.
Most Helpful Girl
So you're 18 and he's 26.
1. He's using you for sex
2. You're using him for money
If you're both ok with that, then that's ok with me