Star lord:

Peter was walking out his room with no shirt on. Gramora looked at his back and giggled. "I see y/n has claimed you." She said. Peter when to the bathroom and looked at his back. He sighed. "I am going to get her back for this." He muttered

Drax:

The team seen this when he was walking in.

Rocket:

The team seen this when ge was in the work out room.

Groot:

The others looked at him in shock. But wondered how you could do it.