CROHN's - 32 year old male.?

My husband has crohn's which was not conveyed to me before marriage.I googled and got to know that the chances of infertility is high and the sexual drive will be low and they have low life span I want to understand below 1) Is chronic/terminal illness true? Will he have shorter life span? I read the chances are high (though he is healthy now) 2) It's been more than an year since I got married and we are rarely are intimate - each and every time he has longevity issues (premature ejaculation) and he not ready get it checked up. Is it not possible to have intimacy as normal couple? 3) Is this hereditary- means if I am blessed is there chances our child will also get crohn's? 4) what kind of food is best (vegetarian)? please note that my husband turns 32 this years and says that he got crohn's when he was in college and now that crohn's is at remission stage! He avoids eating outside and eat selected food. Takes pills regularly and takes iron booster injection at regular intervals.