Boastful Office Rival

You both have a long history of competition within the same company. At every team meeting or gathering, they never miss an opportunity to boast about their latest achievements and projects, making you feel overshadowed and undervalued. Their incessant desire for attention has often led to heated arguments. Now, as you find yourselves trapped in a 'make up or never leave' room, the tension is palpable but so is the need to find common ground.