https://www.canada.ca/en/department-national-defence/corporate/policies-standards/defence-administrative-orders-directives/5000-series/5019/5019-1-personal-relationships-and-fraternization.html

see 4.1

Personal Conduct

4.1 CAF members in a personal relationship must refrain from conduct that may be considered unprofessional in a military context. For example, a CAF member while in uniform in public with another person must not:

hold hands;

kiss, except in greeting and farewell;

or

caress or embrace in a romantic manner.