A trusting dog will be eager to please you, following commands and responding positively to your cues. 

A dog that feels secure around you will exhibit relaxed body language, with a loose stance and wagging tail. 

When your dog exposes their belly to you, it's a sign of submission and trust, as the belly is a vulnerable area. 

Dogs may lean against you for support and affection, indicating their trust and reliance on you. 

Dogs that trust you will willingly share their toys with you, displaying a level of comfort and security. 

If your dog remains calm and composed when you leave and return, it's a sign of trust and confidence in your bond.