Experiment with an idea or thing.
Try (something) out.
Think of an idea
Come up with
Relax and rest
Chill out
Start on a journey
set off
Find the answer to something
Work (something) out
Be like a parent or older sibling.
take after (someone)
Have an argument with someone.
Fall out with (someone).
Be able to trust someone to do something.
Rely/depend on.
Try to notice something or someone.
look out for.
Immediately like each other
Hit it off
Think about something in the past.
Look back at (something).
Respect and admire someone.
Look up to.