Whats the best way to go about this?

so I have not seen my boyfriend in 2 months because he had to go home for work. We are reuniting next month and I am not happy with how he has behaved a few times in the past few months. Should I wait to confront him to his face or text him now about it? I am afraid if I say it all now there might be massive tension when I arrive to him. I was thinking about keeping my mouth shut, arriving to him and keeping things light hearted and then confront him. What should I do?

Whats the best way to go about this?
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