When someone says that "We'll keep in touch", he or she is likely wanting to stay in touch. However, it could be that a close relationship is not wanted.
French speakers would say "on reste en contact" for "keep in touch"
you can kiss him let him touch your boobs and trust me he will stay hard.
Do vstreche, ne zabivay meny
voulez-vous rester en communication?
keep safe
Mantenerse en contacto con nosotros. If you mean it as command i.e. "Stay in touch with us" as opposed to He wants to stay in touch with us", the Spanish command is "Mantente/Manténgase/Manténganse en contacto con nosotros" (tú/Ud./Uds)
keep in touch
Keep In touch
Keeping in Touch was created in 1974.
To stay in touch with other people with phones. These days to stay in touch with people online too.
s'il vous plaît de rester en contact