Just as nostr:nprofile1qy88wumn8ghj7mn0wvhxcmmv9uq32amnwvaz7tmjv4kxz7fwv3sk6atn9e5k7tcpz9mhxue69uhkummnw3ezuamfdejj7qgewaehxw309aex2mrp0yhxummnw3ezucm0d5hxzaf0qqsv4dx3zyzms605pyjhpssmawrgnn6jrde62qk63npp6vnfu6dyczgf2hvcm was one of the first people reacting to a comment of mine.
Defnitly first reactions matter. Since then I would try not to miss any chance to welcome new users I get so see.