Chill out!  Don't be this adjective meaning nervous or tense
[DOC] [TLE] Relax | Definition of Relax by Merriam-Webster [PAR] Define relax: to become or to cause (something) to become less tense, tight, or 
stiff ... verb relax \ri-laks\ ... 4 : to cast off social restraint, nervous tension, or 
anxiety <couldn't relax in crowds> ... chill, chill out [slang], decompress, de-stress, 
loosen up, mellow (out), unwind, wind ... bumfuzzle When things don't make 
sense.