Cuddling
Affection can be part of casual intimacy. If cuddling makes one person feel bonded in a way they do not want, that is a boundary worth discussing rather than a universal prohibition.
Sleepovers
Practical convenience, comfort and emotional closeness can all motivate sleepovers. If one person sees them as relationship-coded and the other does not, clarify expectations.
Dates
Two friends can share meals, events or outings without becoming a couple. But if “dating” behavior creates different expectations, the label matters less than the mismatch.
Use meaning, not internet rules
Ask what a behavior means to each of you. Relationship structure is defined by agreements and expectations, not by whether you stayed for breakfast.
Use changes as conversation prompts
FWB advice often encourages people to decode every behavior: a longer text means attachment, a delayed reply means lost interest, a sleepover means the relationship is becoming serious. Real relationships are noisier than that. Look for sustained patterns, then use those patterns as reasons to ask rather than as proof of an answer. This keeps you from making major decisions based on a single message, busy week or affectionate evening.
Manage the agreement, not the other person
Boundaries work best when they describe your participation rather than trying to control someone else. You can say what information you need, what level of contact works for you, or what would make you step away. You cannot make a healthy casual relationship by turning uncertainty into surveillance or manipulation.
Labels help describe a relationship, but expectations are specific to the people in it. When something important changes, a direct conversation is usually more useful than trying to decode a rule from the internet.