Inferring.

1. Matthew was lonely.
Matthew sat on the park beach  and no one was around all that was there were birds singing.

2. Kyle was excited about maths.
"Next finding area and perimeter." Kyle's face light up and is legs started jumping.

3. Connor was terrified of answering the phone.
The phone rang and Connor stared to bite his nails and then curled up in a ball on the couch trying to hide from the phone.