Yes use of lube may help, no doubt. BUT the issue is perhaps you both are not ready for sex or penetrative acts just now? Maybe you are nervous she is tense and thus you both are uncomfortable wit each other. I would say – take a step back- realize what you guys are looking for, get comfortable and intimate in many other ways… and then think of penetrative sex. There is no hurry at all my dear… take your time. http://lovematters.in/hi/news/first-time-sex-top-five-facts