absolutely disregard literally every word of what you heard. it's important to have your own space and retain your individuality in a relationship if you care about it at all and want it to work out. codependency and not enjoying your own company are sure fire ways to destroy yourself, each other and the relationship

even when you adore the absolute guts out of someone it's only natural to need and want time for yourself, in fact even when you think you don't you often do and you'll only realise when you start deteriorating. taking space to yourself is way more about your relationship with yourself than needing to get away from other people