For something so simple, condoms actually come with a lot of room for error . Most people don’t even know they’re making any. Body + Soul rounded up the most common mistakes according to sexual health experts, and the list covers everything from how you store them to when you put them on. The fixes are easier than the errors, at least. Here’s what to know. Videos by VICE Putting It On Too Late This is the big one. Sexual Health Victoria medical director Dr. Sara Whitburn says the most common mistake is waiting too long. “Sperm and sexually transmitted infections can be present in pre-ejaculate, so it is important that a condom is placed on the penis before there is any penetrative contact,” she explained to Body + Soul . Queensland-based sexologist Isiah McKimmie agrees, adding that the penis needs to be fully erect before putting one on. If you lose an erection during sex, replace the condom. If it doesn’t fit properly, it doesn’t protect properly.…