Examples:

• Scored a goal in soccer, happy as a clam.
• And then three months later, you popped out, happy as a clam!
• Never been married, happy as a clam.
• She seems happy as a clam, am I right?
• While Ratcliffe sits up in his tent all day, happy as a clam.
• Lucas is happy as a clam.
• Happy as a clam, Ollie.
• I am as happy as a clam.
• I'm happy as a clam right here.
• Victor is happy as a clam.